单词：essaydi
单词：essaydi 相关文章
Education Report - A Social Network Aims to Speed Up Progress in Science This is the VOA Special English Education Report. A few years ago, a university researcher was having problems with an experiment that involved medical imaging. His adviser and
2011年VOA慢速英语(四)月
And indeed, unless this reef had an engine in its belly, how could it move about with such prodigious speed? 理由是：除非这暗礁在腹部有一架机器，不然的话，它怎能这样快地一会儿到达这里一会儿又到那里呢? Also
《海底两万里》中英双语有声读物
If you drop the ball, gravity will pull it toward the center of the earth, but will not diminish that extra eastward speed. So as the ball falls itll outrun the ground and land slightly east of the straight-down point. Edwin H. Hall, a Harvard Univer
英语时差8，16
Ned Land had clear views on the issue. Conseil and I could only line up behind him. 对这，尼德兰也早有他的看法：我们康塞尔和我只能同意他。 But then, I said, does this contraption contain some sort of locomotive mechanism, a
《海底两万里》中英双语有声读物
Before Satellite Images, Howd We Know Earth Turned Every 24 Hrs? 在我们有卫星行片以前，我们是如何知道地球一天二十四小时都在转动呢？去听听科学家的说法吧。 The earth turns on its axis every 24 hours or so wer
英语听力文摘 English Digest