词汇

1.body   <技>物体，天体

technical a distinct piece of matted; a material object

EX: the path taken by the falling body

2.at rest  处于静止状态

EX: He felt at rest, the tension gone.

3.slope  斜坡;坡地

a rising or falling surface

EX: a body rolled down the slope

4.lead weight  吊锤

5.explicit  详尽的;明晰的;明确的

stated clearly in detail, leaving no room for doubt or confusion

EX: the arrangement had not been made explicitly.

6.be proportion to  与……成比例

7.elliptical  (口头或书面表达)省略的;椭圆的

(of speech or writing) lacking a word or words, especially when the sense can be understood from contextual clues

EX: an elliptical orbit

8.spiral  螺旋形的;螺旋

EX: spiral the bandage round the injured limb

9.interval  间隔

an intervening time or space

EX: After his drparture, there was an interval of many years without any meetings.

10.repute  普遍认为;以为

be generally said or believed ti do sth or to have paticular characteristics

EX: This area gave the lie to the reputed flatness of the country.

11.finite  有限的;有穷的

having limits or bounds

EX: every computer has a finite amount of memory

12.eclipse  日食;月食

13.wavelength  波长;波段

14.equation  等同;相等;均衡;等式

the process of equating one thing with another

EX: the equation of science with objectivity 对科学性和客观现实的等量齐观

15.relativity  相对性;相对论
16.crest  浪尖;顶部;达到顶部

crest value  峰值

dividing crest  分水岭

17.infrared   红外线(的)

infrared camera  红外照相机

18.notably  尤其

especially; in particular

EX: A diet low in animal fat protects against potentially fatal diseases, notably diabetes.

19.contracting  收缩的
20.hitherto  迄今;到目前为止

EX: have hitherto continued to do sth