1.fixedstar /fɪkst//stɑː/ 恒星

英译："any of the stars in the Ptolemaic system, all of which werethought tobe attached to an outer crystal sphere thus explaining their apparentlack of movement"

例句：Sun is a typical fixed star. 太阳是一颗典型的恒星。

2.sophisticated /səˈfɪstɪkeɪtɪd/ adj.尖端的；复杂的，精密的

英译：advanced and complex

例句：Medical techniques are becoming more sophisticated all the time医疗技术始终都朝着更加尖端的方向发展

3.invade /ɪnˈveɪd/ v.入侵

英译："to enter a country, town, or an area using military force inorder to take control of it"

例句：Troops invaded on August 9th that year. 军队是在那年8月9日入侵的。

4.withstand /wɪðˈstænd/ v.经受，承受

英译："to be strong enough not to be hurt or damaged by extreme conditions,theuse of force, etc."

例句：The building is designed to withstand strong earthquakes. 这个建筑的设计可以抵抗强震。

5.diffract /dɪˈfrækt/ v.使（光或声波）衍射

英译："to bend light or sound waves as they pass around something orthrough a hole"

例句：They found that during the experiment the electrons did diffract. 他们发现在试验中电子确实发生了衍射。

6.entice /ɪnˈtaɪs/ v.诱使，引诱

英译：to persuade somebody to do something by offering them something

例句：pleasantShe tried to entice the child to go with him. 她试图引诱这个小孩跟他走。

7.intercept /ˌɪntəˈsept/ v.拦截，截住

英译：to stop somebody or something that is going from one place toanother from arriving

例句：Harry’s phone calls had been intercepted. 哈利的电话被拦截了。

8.toughen /ˈtʌfən/ v.（使）变强壮；（使）变坚强

英译：to make somebody mentally or physically stronger His parents sent

例句：him away to school to toughen him up. 他的父母把他送到学校去锻炼。

9.prohibitive /prəˈhɪbətɪv/ adj.（费用、价格等）过高的

英译："(of a price or a cost) so high that it prevents people frombuying

something or doing something"

例句：The cost of education becomes prohibitive to lower-income families. 过高的教育经费使许多低收入家庭望而却步。

10.distil /dɪˈstɪl/ v.蒸馏；提取

英译："to make a liquid stronger or purer by heating it until itchanges to a

gas and then cooling it so that it changesback into a liquid"

例句：Many scientists are trying to distil fresh water from sea water. 许多科学家都在尝试从海水中提取纯净水。

11.accredit /əˈkredɪt/ v.鉴定……为合格，确认……达标

英译：to officially recognise, accept or approve somebody or something as

being an accepted quality or standard

例句：The Chinese are accredited with the invention of compass.

12.alternate /ɔːlˈtɜːnət/ adj.轮流的，交替的

英译：to happen or exist one after the other in a regular pattern

例句：Now it’s the alternate period of good and bad weather.

13.conventional /kənˈvenʃənl/ adj.传统的，常规的

英译：traditional and ordinary

例句：A conventional war would cause great damage.

14.defective /dɪˈfektɪv/ adj.有缺陷的，不完美的

英译：having a fault or faults, not perfect or complete

例句：The disease is caused by a defective gene.

15.revolve /rɪˈvɒlv/ v.旋转

英译：to move or cause something to move round a central point or line

例句：The Earth revolves around the sun.

16.metallic /mɪ'tælɪk/ adj.金属的

英译：that looks, tastes or sounds like metal

例句：My new mobile phone is metallic yellow.

17.aberration /ˌæbəˈreɪʃn/ n.偏差

英译：a fact, an action or a way of behaving that is not usual, and that may be unacceptable

例句：Experts are setting out to put an end to this technological aberration.

18.abrasion /əˈbreɪʒən/ n.磨损，刮擦

英译：the process of rubbing a surface very hard so that it disappears or

becomes damaged

例句：They would like to do an abrasion test.