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大学英语自学教程下册
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大学英语自学教程 下册 un02
[00:00.00]Unit 2 taxt A Black Holes
大学英语自学教程下册2009-11-28
[00:03.04]黑洞
[00:06.09]What is a black hole?
[00:07.11] 什么是黑洞呢?
[00:08.12]Well,it's difficult to answer this question,since the terms we would norma -
大学英语自学教程 下册 w_un02
[00:00.00]Unit 2 taxt A New Words
大学英语自学教程下册2009-11-28
[00:05.69]astronomer
[00:07.12]n.天文学家
[00:08.54]escape
[00:10.21]vi./vt.逃跑;避免 n.1.逃跑;2.逃路,出口
[00:11.89]exert
[00:13.20]vt.尽(力);发挥(威力等);施 -
大学英语自学教程 下册 un01
[00:00.00]Self-study
大学英语自学教程下册2009-11-28
[00:29.60]Unit 1 Text A What Is a Decision?
[00:32.72]决策是什么?
[00:35.84]A decision is a choice
[00:40.28]made from among alternative courses of action that are availa -
大学英语自学教程 下册 un04
[00:00.00]Unit 4 text A Slavery on Our Doorstep
大学英语自学教程下册2009-11-28
[00:03.75]我们身边的奴役
[00:07.50]There are estimated to be more than 20,000 overseas domestic servants
[00:11.38]据估计,在英国工作的外籍家庭佣人 -
大学英语自学教程 下册 w_un01
[00:00.00]Unit 1 Text A New Words
大学英语自学教程下册2009-11-28
[00:05.69]organizational
[00:07.17]a.组织(上)的
[00:08.65]goal
[00:10.02]n.1.目的,目标; 2.得分进球,球门
[00:11.39]objective
[00:12.97]n.目标,目的 a.1.客观的,
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