新世纪大学英语第四册词汇自学-第2单元.docVIP

Unit 2 Book 4 Technology and Happiness Technology and Happiness Words and Expression 1) (L.3) gross: a. general, total * gross domestic product (GDP) 国内生产总值 (=His gross annual income, 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) (L.3) triple: v. (cause to) grow to three times the amount or number 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) (L.5) 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) (L.5) 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) (L.5) boom: n. a (period of) rapid growth or increase This countrys 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) (L.19) on average: in most cases; usually *On average, 18% of our daily calories come from sugar. 我国成年人平均每天抽烟五根。 (= Adults in our country smoke on average five cigerattes every day.) 7) (L.30) when it comes to: when it concerns *When it comes to this matter, people’s opinions vary. 这个问题大家众说纷纭。 在记者招待会上，当提到这位影星的私人生活时，他总是保持沉默。 (=At the press conference, when it came to his personal life, the movie star always kept silence. ) ) (L.31) correlation: n. a structural, functional, or qualitative correspondence between two things *There is an obvious correlation between sun bath and skin cancer. (=In tests, there was no correlation found betwe