单词：
单词： 相关文章
It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
VOA标准英语2010年(十)月
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
Lesson Two 听力部分 Dictation: Please prepare your paper and pen. _____ to recall to the ____. ____________ after absorbing _______________, _______ the key ________ of the ________ in your ____. Don't _____ if ___'__ _________ some of it. Do ___
王强口语 第二册
Shen Danyang, spokesperson of the Ministry of Commerce, says the total foreign investment as well as the number of enterprises that were invested in by relevant countries have both increased. In terms of absorbing overseas investment, a total of 948
英语新闻
新GRE阅读难句解析之抽象词组、比喻 As she put it in The Common Reader , It is safe to say that not a single law has been framed or one stone set upon another because of anything Chaucer said or wrote ; and yet , as we read him , we are
GRE英语
新GRE阅读难句解析之抽象词组、比喻 As she put it in The Common Reader , It is safe to say that not a single law has been framed or one stone set upon another because of anything Chaucer said or wrote ; and yet , as we read him , we are
GRE英语