Day 28
1.Recording录音
smoke alarm烟雾警报
alarm警报【un】alarm做警报器用【cn】
2.nightmare噩梦，既可用字面意，又可用引申义：不希望发生的事情
e.g.
I had a terrible nightmare last night.
The whole journey was a nightmare.
3.oblivious
adj. 毫无知觉的，未察觉的
be oblivious of sth.
oblivious（adj作状语）
eg.Danne arrived home tired.
4.sleep on
5.on表示状态的持续
but the children are sleeping on oblivious.
6.rouse /raʊz/
v. 唤醒，叫醒
e.g.
I roused her from a daydream.
7.slumber/ˈslʌmbər/
v. 睡觉（slumber n.）睡梦
e.g.
I fell into a gentle slumber.
8.play recording播放录音
9.three times more likely to3倍可能性
10.do so表示这样做
11.generically /dʒəˈnerɪkli/
adv. 通用地，一般地
12.generically developed容易被开发的
13.if…then如果…那就…
14.co-author /ˌkoʊ ˈɔːθər/
n. 合著者v.一起写
15.Pediatrics儿科学
eg.She specializes in pediatrics.
16.pediatric adj., pediatrician儿科医生
a nationwide chain of stores
全国连锁店
17.high-pitched /ˌhaɪ ˈpɪtʃt/
adj. 声调高的，尖声的
e.g.
18.low-pitched
I just heard a high-pitched whistle.
19.vocal/ˈvoʊkl/
adj. 声音的，使用嗓音的
e.g.
20.a piece of vocal music
一部声乐作品
21.shake off
摆脱，脱离某种状态
e.g.
I hope I can shake off this cold before the weekend.
22.median value 中位数
23.in the case of …
在……的情况下
24.Chiefs长官，首领
police / army chief
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