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双语直播中美饮用水安全方面

双语直播中美饮用水安全方面

作者: AmyTrilinguist | 来源:发表于2020-09-29 06:58 被阅读0次

社会经济一直在高速的发展,同时全球的环境也面临着各种污染威胁。

世界卫生组织:人类80%的疾病与水污染有关 。

WHO

七大营养素

Texas

Texas residents warned of tap water tainted with

brain-eating microbe

Communities around Houston are potentially contaminated

Naegleria fowleri enters body through nose, travels to brain

Associated Press

Sat 26 Sep 2020 13.42 EDT

Texas

UK [ˈtɛksəs]

US [ˈtɛksəs]

n.

得克萨斯州(美国西南部的一州)

tap water

UK [ˈtæp wɔːtə(r)]

US [ˈtæp wɔːtər]

n.

自来水

tap

UK [tæp]

US [tæp] running water

UK [ˈrʌnɪŋ ˈwɔːtə(r)]

US [ˈrʌnɪŋ ˈwɔːtər]

n.

自来水;流水,活水

v.

轻敲;轻拍;轻叩;(用…)轻轻叩击;利用,开发,发掘(已有的资源、知识等)

n.

水龙头;旋塞;龙头;轻击;轻拍;轻敲;轻扣

Give the vegetables a good rinse with running water.

把蔬菜放在水龙头下洗涮干净

water supply

UK [ˈwɔːtə səplaɪ]

US [ˈwɔːtər səplaɪ]

n.

给水;供水;给水系统;供水系统

复数:water supplies

warn of

UK [wɔːn ɒv]

US [wɔːrn əv]

发出关于…的警告

taint

UK [teɪnt]

US [teɪnt]

v.

使腐坏;污染;玷污,败坏(名声)

n.

腐坏;污染;玷污

taint with

tainted drinking water 污染的饮用水

microbe

UK [ˈmaɪkrəʊb]

US [ˈmaɪkroʊb]

n.

微生物

micro 小,微小 + be〔 = bio生命〕→ 微生物

复数:microbes

Houston

UK ['hjuːst(ə)n]

US [ˈhjustən]

n.

休斯顿

Houston Rockets

UK [ˈhuːst(ə)n ˈrɒkɪts]

US [ˈhjustən ˈrɑːkɪts]

n.

休斯敦火箭队 (NBA 姚明)

contaminate

UK [kənˈtæmɪneɪt]

US [kənˈtæmɪneɪt]

v.

污染;弄脏;玷污,毒害,腐蚀(人的思想或品德)

记忆

contamin 污染 + ate 表动词 → 弄脏,污染 第三人称单数:contaminates现在进行时:contaminating过去式:contaminated过去分词:contaminated派生词:contamination n.

amoeba

UK [əˈmiːbə]

US [əˈmiːbə]

n.

阿米巴,变形虫(单细胞生物)

复数:amoebas

cyst

UK [sɪst]

US [sɪst]

n.

囊肿;囊;包囊

复数:cysts

“食脑虫”,又名福氏耐格里阿米巴原虫,是一种单细胞生物,通常存活于温暖的淡水中。它能通过鼻腔进入中枢神经系统,感染大脑,最终导致被感染者脑死亡。

感染“食脑虫”后,人们可能会出现严重头痛、发热、恶心和呕吐等症状。随后。人们可能还会颈部僵硬,癫痫发作,出现幻觉,甚至昏迷。据称,感染者一般在出现症状后的1至18天内死亡。

根据疾病控制与预防中心(CDC)的说法,“食脑虫”通常在土壤、温暖的湖泊、河流和温泉中被发现。它也可以在维护不善或未氯化的水池中以及从工厂排放的温水中发现。感染这种寄生虫的月份通常发生在7、8、9月份,因为那时,各处水位较低,水温较高。

CDC说,尽管食人脑的变形虫的感染很少见,但大多数是致命的。从2009年到2018年,美国仅报告了34次感染。在这些报告的病例中,有30人被娱乐设施的用水感染。

根据CDC的数据,从1962年到2018年,有145人被食人脑的变形虫感染,只有4人幸存。

另据报道,一旦确诊被食脑虫入侵引发感染,死亡率超过97%。据美国疾病预防控制中心数据,2009年至2018年之间,美国报告了34例该疾病感染。在大多数情况下,人们在娱乐用水过程中被感染,另有3例是人们在使用被污染的自来水进行鼻腔冲洗后被感染的。另1例是被在后院的滑梯上使用过被污染的自来水后感染该疾病。

图片:

lead

UK [liːd , led]

US [liːd , led]

v.

带路;领路;引领;(与…)相连,相通;通向;通往

n.

(竞赛中的)领先地位;超前量;领先的距离;实例;范例;榜样

n.

铅;铅笔芯

密歇根州弗林特市的水危机。因为城市从休伦湖转变为弗林特河作为其水源,这座城市的饮用水被发现是铅含量高。这种水从来没有用联邦法律所要求的抗腐蚀添加剂处理过,因此腐蚀了铁水管道,并析出了铅。弗林特当然不是美国在2016年7月被污染水的唯一案例,匹兹堡的水和污水管理局通知他们,他们的自来水中含有10亿分之22的铅,这让许多匹兹堡居民感到震惊。这是法定上限的1.5倍。

生活在德克萨斯州布雷迪(Brady)的人们正在处理自来水中的镭。而不仅仅是不可接受的水平——比法律允许的水平高出9倍。铅暴露对儿童和孕妇最危险,因为它会影响大脑发育。然而,它也会损害神经、心脏和肾脏——而且每个人都很容易受到这些影响。铅中毒是渐进性的,没有明显的症状。

皮蛋:/pidan

preserved egg n.咸蛋;皮蛋;加工蛋

或:preserved duck eggs 松花蛋;皮蛋

preserved v.保护;维护;保留;维持…的原状;保存;保养;贮存;保鲜 preserve的过去分词和过去式

中国饮用水的一些问题

Standard for drinking water by WH0

No organic substances, pesticides, heavy metals and other pollution, it is safe water.

pesticides

UK [ˈpɛstɪsaɪdz]

US [ˈpɛstəˌsaɪdz]

n.

杀虫剂;除害药物

pesticide的复数

A proper amount of ionic minerals and many trace elements.

ionic minerals

UK [aɪˈɒnɪk ˈmɪnərəlz]

US [aɪˈɑːnɪk ˈmɪnərəlz]

矿物离子

trace element

UK [ˈtreɪs elɪmənt]

US [ˈtreɪs elɪmənt]

n.

痕量元素;微量元素(生物,尤指植物,生长所需要的微量的化学物质)

复数:trace elements

Must be a small group of water, there is a good solution and permeability.

permeability

UK [ˌpɜːmjəˈbɪlɪti]

US [pərmiəˈbɪlɪti]

n.

渗透性;渗蚀度;(气球气体的)透出量;磁导率

permeable

UK [ˈpɜːmiəbl]

US [ˈpɜːrmiəbl]

adj.

可渗透的;可渗入的

per 贯穿 + me 走 + able 可…的 → 可以走动的 → 可渗透的

It must be weak alkaline, neutralize the acid toxin in the body, and maintain the weak alkaline environment.

weak alkaline

UK [wiːk ˈælkəlaɪn]

US [wiːk ˈælkəlaɪn]

弱碱性

neutralize

UK [ˈnjuːtrəlaɪz]

US [ˈnuːtrəlaɪz]

v.

使无效;中和;使成为中性;使中立

neutral 中间的;中和的 + ize 使… → 使中和

toxin

UK [ˈtɒksɪn]

US [ˈtɑːksɪn]

n.

毒素(尤指生物体自然产生的毒物)

tox 毒 + in …素 → 毒素

The oxidation reduction potential of a good water must be low and neutralize free radicals in the body.

oxidation

UK [ˌɒksɪˈdeɪʃn]

US [ˌɑːksɪˈdeɪʃn]

n.

氧化(作用)

free radical

UK [ˌfriː ˈrædɪkl]

US [ˌfriː ˈrædɪkl]

n.

自由基;游离基

复数:free radicals

The water dissolved oxygen must be high, to maintain proper hardness.

dissolve

UK [dɪˈzɒlv]

US [dɪˈzɑːlv]

v.

溶;使(固体)溶解;解除(婚姻关系);终止(商业协议);解散(议会)

dis 加强 + solv 松开 + e → 使〔固体〕分散松开 → 溶解

hardness

UK [ˈhɑːdnɪs]

US [ˈhɑrdnəs]

n.

硬(刚,强)度

1, safe water, water does not contain any toxic, harmful and odorous substances to the human body ;

odorous

UK [ˈəʊdərəs]

US [ˈoʊdərəs]

adj.

有气味的

2, clean water, water does not contain chlorine, rust, heavy metals and excessive inorganic substances;

chlorine

UK [ˈklɔːriːn]

US [ˈklɔːriːn]

n.

氯;氯气

Chlorine is used to disinfect water

氯用来给水消毒。

3, rich in active, can drink water;

4, the water has the minerals and trace elements needed by the human body;

5, pH value is weak alkaline;

6, small molecules of water, six Jiao water;

molecules

UK [ˈmɒlɪkjuːlz]

US [ˈmɑləˌkjulz]

n.

分子

molecule的复数

7. Low potential or negative potential water.

low potential

UK [ləʊ pəˈtenʃl]

US [loʊ pəˈtenʃl]

低电位;低电势

1, does not contain any toxic, harmful and odorous subs -tances (especially heavy metals and organic substances) to human body.

2, the human body needs minerals and trace elements content and proportion of appropriate.

3, pH value is alkalescent (7 - 8).

alkalescent

adj.

碱化的;(微)碱性的

4, the water molecules are small (half width of nuclear magnetic resonance be low 100HZ).

nuclear magnetic resonance 核滋共振

resonance

UK [ˈrezənəns]

US [ˈrezənəns]

n.

洪亮;响亮;共鸣;共振

5, the hardness of water 50 - 200mg/L (with calcium carbonate content) is appropriate.

6. Dissolved oxygen and carbon dioxide in water are moderate (dissolved oxygen, =6, mg/L).

7, water nutrition, physiological functions (dissolution force, permeability, diffusion force, emulsifying power, cleaning force) better

physiological

UK [ˌfɪziə'lɒdʒɪk(ə)l]

US [ˌfɪziə'lɑdʒɪk(ə)l]

adj.

生理学(上)的

dissolution force溶解能力

diffusion

UK [dɪˈfjuːʒən]

US [dɪˈfjuʒən]

n.

扩散,传播;漫射

emulsifying

UK [ɪˈmʌlsɪfaɪɪŋ]

US [ɪˈmʌlsɪfaɪɪŋ]

v.

(使)乳化

emulsify的现在分词 power 乳化力

Seven international standards for healthy water released by WHO

1, clean, no pollution, harmless to the human body

A, no impurities, bacteria, viruses, heavy metals in the water,

impurities

UK [ɪmˈpjʊərɪtiz]

US [ɪmˈpjʊrətiz]

n.

杂质;肮脏;不纯;淫秽

impurity的复数

bacteria

UK [bækˈtɪəriə]

US [bækˈtɪriə]

n.

细菌

bacterium的复数

派生词:bacterial adj.

B, organic compounds and other harmful pollutants on the human body, in our city, the two pollution of piped water is very serious, and more or less exist all of the above harmful pollution.

organic compounds

compounds

UK [kəmˈpaʊndz]

US [kəmˈpaʊndz]

n.

复合物;混合物;化合物;复合词

v.

使加重;使恶化;由…构成(或形成);混合;掺和;拌和

compound的第三人称单数和复数

2 small molecules (5-6 molecules of water)

molecules

UK [ˈmɒlɪkjuːlz]

US [ˈmɑləˌkjulz]

n.

分子

molecule的复数

Small molecules of water are required for cell absorption and physiological activity

cell absorption

physiological activity

UK [ˌfɪziə'lɒdʒɪk(ə)l ækˈtɪvəti]

US [ˌfɪziə'lɑdʒɪk(ə)l ækˈtɪvəti]

生理活性;生理活动

physiological needs

UK [ˌfɪziə'lɒdʒɪk(ə)l niːdz]

US [ˌfɪziə'lɑdʒɪk(ə)l niːdz]

生理;生理需求

Big molecule structure of water is difficult to enter human cells, causing water pollution degradation, condensation of water molecules becomes large, pure water, bottled water, tap water, drinking water etc. are large molecules of water, not easy to enter human cells and participate in the activities of life on behalf of the radio.

radio

UK [ˈreɪdiəʊ]

US [ˈreɪdioʊ]

n.

无线电广播;无线电广播节目;收音机;无线电传送;无线电通信

v.

(用无线电)发送,传送

3, the pH value of water must be between 7. 0-8.0, weakly alkaline

Drinking water is to supplement the body fluid, and the pH value of the body fluid of healthy people is between 7. 35 and 7. 45. It is weak alkaline. It can excrete the acid waste and the acid depositing waste and toxin in the body.

supplement

UK [ˈsʌplɪmənt , ˈsʌplɪment]

US [ˈsʌplɪmənt , ˈsʌplɪment]

n.

增补(物);补充(物);添加物;(报纸的)增刊;(书籍的)补编,补遗,附录

v.

增补;补充

sup 下 + ple 满的;填满 + ment 表名词 → 从下面增加以填满 → 补充

excrete

UK [ɪkˈskriːt]

US [ɪkˈskriːt]

v.

排泄

GMAT · GRE

第三人称单数:excretes现在进行时:excreting过去式:excreted过去分词:

excreted the acid waste products

The acid waste waters N-PLURAL 海域;(尤指)领海

the acid depositing waste 酸沉积废物

Human alkaline body fluids with metabolic waste discharges, but also at any time in the loss, so the water supplement physical acidification and alkaline potassium, consume a lot of

nutrients the body itself is very precious sodium, calcium and magnesium, causes the body' s immunity and resistance decreased, stunted children, old people, osteoporosis sub health,

metabolic

UK [ˌmetəˈbɒlɪk]

US [ˌmetəˈbɑːlɪk]

adj.

新陈代谢的;代谢的

metabolic disorders

UK [ˌmetəˈbɒlɪk dɪsˈɔːdəz]

US [ˌmetəˈbɑːlɪk dɪˈsɔrdərz]

代谢紊乱

potassium

UK [pəˈtæsiəm]

US [pəˈtæsiəm]

n.

Fruits, vegetables, and wholegrains are rich in potassium.

水果、蔬菜和全谷物富含钾元素。

sodium

UK [ˈsəʊdiəm]

US [ˈsoʊdiəm]

n.

钠 calcium

UK [ˈkælsiəm]

US [ˈkælsiəm]

n.

calc 石头 + ium 元素名称 → 钙

magnesium

UK [mæɡˈniːziəm]

US [mæɡˈniːziəm]

n.

causes the body' s immunity and resistance decreased, stunted children, old people, osteoporosis sub-health,

导致机体免疫力和抵抗力下降,儿童发育不良,老年人,骨质疏松亚健康,

stunted

UK [ˈstʌntɪd]

US [ˈstʌntɪd]

adj.

发育不足的;生长不良的;未能充分发展的

v.

阻碍生长;妨碍发展;遏制

stunt的过去分词和过去式

osteoporosis

UK [ˌɒstiəʊpəˈrəʊsɪs]

US [ˌɑːstioʊpəˈroʊsɪs]

n.

骨质疏松;骨质疏松症

physical acidification, the body will have a lot of free radical production and the erosion of healthy human cells, and then lead to blockage of human meridian. Lead to hypertension, diabetes, atherosclerosis, hyperlipidemia, arthritis, heart disease, obesity, long spots, long pox, constipation and other diseases. Therefore, drinking weak alkaline water is very important to people' s health.

身体酸化后,身体会产生大量自由基产物离子,并侵蚀人体细胞,进而导致人体经络堵塞。导致高血压、糖尿病、动脉粥样硬化、高脂血症、关节炎、心脏病、肥胖、长斑、长痘、便秘等疾病。因此,饮用弱碱性水对人们的健康非常重要。

acidification

US [əˌsɪdəfəˈkeɪʃən]

n.

酸化;成酸性

The erosion of erosion

UK [ɪˈrəʊʒn]

US [ɪˈroʊʒn]

n.

(河流、气候等的)侵蚀,腐蚀;(权威、权利、信心等的)逐渐丧失,削弱;(支持的)减少;(价值的)降低;(货币的)贬值

e 加强 + ros 咬 + ion 表动作,erode的名词 → 侵蚀,腐蚀

diabetes

UK [ˌdaɪəˈbiːtiːz]

US [ˌdaɪəˈbiːtiːz]

n.

糖尿病;多尿症

atherosclerosis

UK [ˌæθərəʊsklɪəˈrəʊsɪs]

US [ˌæθəroʊskləˈroʊsɪs]

n.

动脉粥样硬化(症)

arthritis

UK [ɑːˈθraɪtɪs]

US [ɑːrˈθraɪtɪs]

n.

关节炎

arthr 关节 + itis 炎症 → 关节炎

IELTS · TOEFL · TEM8 · GRE

obesity

UK [əʊˈbiːsɪti]

US [oʊˈbisəti]

n.

肥胖症

obes 肥 + ity 具备某种性质,状况 → 过度肥胖

pox

UK [pɒks]

US [pɑːks]

n.

痘;疹

constipation

UK [ˌkɒnstɪˈpeɪʃn]

US [ˌkɑːnstɪˈpeɪʃn]

n.

便秘 constipated

UK [ˈkɒnstɪpeɪtɪd]

US [ˈkɑːnstɪpeɪtɪd]

adj.

便秘的

v.

使呆滞; 使闭塞;便秘;呆滞

constipate的过去分词和过去式

The amount of dissolved oxygen, 4 water to reach more than 7mg/L

溶解氧的量,4水达到7mg/L以上

Acidic waste out of the body metabolism is produced at any time, so the active oxygen free radicals also generated, in a timely manner to eliminate free radicals, drinking water must have dissolved oxygen free radicals, it depends on whether there are small molecules of water outside the high-energy negative charge, because these can be combined with negative charge the positively charged radicals, disable erosion of normal cells at the same time, the dissolved oxygen content of the water can make adequate blood red blood cells in the body cells of sufficient oxygen supply.

体内任何时候都会产生酸性废物代谢,所以活性氧自由基也会产生,要及时清除自由基,饮用水中必须有溶解氧自由基,这取决于是否有小分子的水在高能负电荷之外,因为这些能与负电荷结合在一起,使正常细胞丧失腐蚀能力的同时,水中的溶解氧含量也能使机体细胞中足够的血红细胞有充足的氧气供应。

acidic

UK [əˈsɪdɪk]

US [əˈsɪdɪk]

adj.

很酸的;酸性的

waste

UK [weɪst]

US [weɪst]

v.

浪费;滥用;白费;糟蹋;未充分利用;使…屈才

n.

浪费;滥用;白费;糟蹋;废料;废物;弃物;垃圾

adj.

荒芜的;废弃的;丢弃的;无用的

metabolism

UK [məˈtæbəlɪzəm]

US [məˈtæbəlɪzəm]

n.

新陈代谢

meta 改变 + bol 球,引申为循环 + ism 表行为 → 体内循环变化 → 新陈代谢

TOEFL · TEM8 · GRE

复数:metabolisms派生词:metabolic adj.

5, water soft moderate hardness, with calcium carbonate content(50, mg/L-200, mg/L)

水软中等硬度,碳酸钙含量(50,mg/L-200,mg/L)

Calcium carbonate in human body fluids is too high (water is too hard), and will cause a large number of stone formation,

Calcium carbonate content is too low (water is too soft) will lead to the decline of human immunity, so the soft hardness of drinking water should be moderate.

6. Water must contain minerals and trace elements needed by the human body

The body of minerals and trace elements is the material base of normal cells and organs function, there are ingredients and proportion and the nature of natural water, nutrition kind ,people usually can uptake from food and nutrition in only80%--95%, and for each individual can not completely get.

Therefore, only by drinking healthy water can the balance and integrity of human nutrition be ensured.

7, in line with the needs of human physiological activities

Human physiological activities on water demand function adds up to penetration, emulsification, solubility, metabolic

capacity, diffusion capacity

人体生理活动对水分的需求功能加在一起构成渗透、乳化、溶解、代谢

容量、扩散容量

A small molecule is a water with high negative charge. Its permeability, diffusion force and dissolution force are very strong, while macromolecular water does not have these functions. The water solubility, emulsifying power, washing power and metabolic power of weak alkaline water are very strong, while acid water has no such functions.

solubility

UK [ˌsɒljʊ'bɪlətɪ]

n.

溶(解)度;(可)溶性;可解释性

Penetration and dissolving capacity of water molecules, can also divided into cells, the toxin out of cells was stronger The new supersedes the old function.

supersedes

UK [ˌsuːpəˈsiːdz]

US [ˌsuːpərˈsiːdz]

v.

取代,替代(已非最佳选择或已过时的事物)

supersede的第三人称单数

Therefore, the use of small molecules of water to take medicine,

better efficacy, used to wash your face more conducive to the skin.

conducive

UK [kənˈdjuːsɪv]

US [kənˈduːsɪv]

adj.

使容易(或有可能)发生的

Make your bedroom as conducive to sleep as possible

尽量把卧室布置得适宜睡眠。

WHO (WH0) three standards and seven conditions for healthy water:

Three standards

(1) no polluted water (known as purified water) ;

(2) no degraded water (called live water) ;

(3) the water that meets the physiological needs of the human body (called whole water).

Seven conditions

(1) not containing toxic, harmful or odorous substances to the human body; (purification)

(2) small molecular clusters of water (<100HZ); (small molecules)

(3) the nutritional and physiological functions of water are strong (solubility, diffusion, permeability, emulsifying power, washing power, Xie Li, etc. ); (activation)

(4) pH value is weak alkaline (7.2 - 8.5); (alkalization)

(5) the hardness of water is moderate (CaC03: 50 - 200mg/l) ;(softening)

softening

UK [ˈsɒfnɪŋ]

US [ˈsɔːfnɪŋ]

v.

(使)变软,软化;(使)柔和,和缓;(使)态度缓和,变温和,变宽厚

soften的现在分词

(6) the human body needs minerals (including calcium content higher than moderate 8mg/1 (mineralization)) ;

(7) dissolved oxygen and carbon dioxide (moderate dissolved oxygen in water is greater than or equal to 7mg/1).

(Biochemistry)

美国人的家里一般没有热水壶他们只用冷水和微波炉。

自来水不能直接饮用,一定要烧开,不然就会生病,这是我们从小受到的叮嘱。不过国外特别是欧美地区,他们很喜欢直接喝自来水。

EPA认证

EPA是美国环境保护署(U.SEnvironmentalProtectionAgency)的英文缩写。它的主要任务是保护人类健康和自然环境。

EPA总部设在华盛顿, 有 10 个地方办公室和几十个实验室。在全美国有18000 名雇员。他们半数以上是工程师 , 科学家和政策分析家。负责对很多环境项目设立国家标准 , 监控强制性标准的执行和符合情况。

EPA 联合州和地方政府颁发一系列商业以及工业许可证。EPA认证美国环保总署EPA的主要目的是保护人民健康、保护生态环境--空气、水和土地这些我们赖以生存的环境。在成立之后的30多年,EPA一直在为给全美人民创造一个整洁的健康环境而努力。

如果符合EPA要求,则EPA会颁发符合证书。

中文名

EPA认证

外文名

U.SEnvironmentalProtectionAgency

主要任务

保护人类健康和自然环境

总部

华盛顿

对于这个现象,大多数网友的回答是“因为国外自来水干净,达到了饮用水标准,而国内水质不行“。虽然不明真相,但其实我一开始也这样认为。我国很早就出台了居民饮用水相关标准,并且在2007年7月1日,在原有标准基础上,国家标准委和卫生部联合发布了《生活饮用水卫生标准》(GB 5749-2006)(下称“新标准”),进一步修订强制性国家标准和13项生活饮用水卫生检验国家标准。

内容很多无法详述,但有几点核心内容我们可以了解。“新标准”中有一项叫做“常规指标”,能反映生活饮用水水质基本状况的水质指标。“常规指标”包含微生物、毒理指标、化学指标和放射性。简单来说,微生物指细菌;毒理指标包含重金属、无机物、有机物等等;化学指标指的是颜色、气味、pH和部分金属、溶解性固体等等,......

从这一项来看,我国饮水用标准对各项有害物质有着非常详细的定义和规定。并且“新标准”第4项“生活饮用水水质卫生要求”部分规定如下:

4.1 生活饮用水水质应符合下列基本要求,保证用户饮用安全。

4.1.1 生活饮用水中不得含有病原微生物。

4.1.2 生活饮用水中化学物质不得危害人体健康。

4.1.3 生活饮用水中放射性物质不得危害人体健康。

4.1.4生活饮用水的感官性状良好。

4.1.5 生活饮用水应经消毒处理。

从以上这些描述可以得出一个结论,如果自来水能完全符合“新标准”,直接饮用对健康没有危害。

值得一提的是,针对“国外自来水干净,饮用标准高”这种观点,我国在指定新版饮用水标准时,已经实现饮用水标准与国际接轨。新标准水质项目和指标值的选择,充分考虑了我国实际情况,并参考了世界卫生组织的《饮用水水质准则》以及欧盟、美国、俄罗斯和日本等国饮用水标准。

总之一句话,我国自来水标准也并不比发达国家低。这又不得不回到开头的疑问,为什么他们敢喝,我们不敢喝?

文化和习惯差异

先不说自来水干不干净,仅从生活习惯来看,咱们国人一直以来更喜欢喝热水,尤其是几千年的饮茶文化,让开水深深烙印在每个国人的心底。并且喝冷水闹肚子,这是中国很常见的体质。因此,即使自来水干净无害,我们也不会经常饮用。而欧美人除了咖啡是热的之外,更偏爱冷水甚至是冰水。去国外餐厅吃饭,服务生肯定会给你端来一杯冷冰冰的自来水,他们叫做“tap water”。如果你给外国人一杯热水,他反而会觉得很奇怪,难以接受。

https://www.docin.com/touch/detail.do?id=1789545061

US EPA drinking water standards and healthy advisories

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