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大学英语第四册单元2词汇.doc


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Unit 2 Book 4
Technology and Happiness
Words and Expressions
1) () gross: a. general, total
* gross domestic product (GDP) 国内生产总值
(=His gross annual e, before tax, is just $12, 000.)
这个包裹连盒子总重量是十公斤。
(= The gross weight of the package is 10 kilos, including the box.)
2) () triple: v. (cause to) grow to three times the amount or number
* Apartments with generous spaces in this area will triple in value.
新设备的引进使我们的产量增加到了三倍。
(= The introduction of new equipment has tripled the output.)
(=World fuel consumption has tripled since World War Ⅱ.)
3) () life expectancy: the length of time that a person or animal is expected to live
* Women still have a longer life expectancy than men.
这个部落人的平均寿命是40岁。
(= The average life expectancy of the people in this tribe is 40 years.)
Collocations:
low life expectancy 预期寿命短
high life expectancy 预期寿命长
a life expectancy of 50 years 预期寿命50年
4) () soar: vi. rise rapidly or to a very high level
*Unexpectedly the jet crashed shortly after it soared into the air.
(=Industrial unemployment has soared to 40%, which is threatening the social stability.)
5) () boom: n. a (period of) rapid growth or increase
* This country's economy development has contributed a lot to the boom in world trade.
我们必须要意识到90年代的经济繁荣已经结束了。
(=We have to realize that the economic boom in 90s is over now.)
6) () entertainment: n. sth.,

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