单词：atactic polystyrene (aps)
单词：atactic polystyrene (aps) 相关文章
[00:02.32]Naps [00:04.55]Napping is too luxurious, too sybaritic, [00:09.14]too unproductive, and it's free; [00:11.56]pleasures for which we don't pay make us anxious. [00:14.93]Besides, it seems to be a natural inclination. [00:18.34]Those who get
英语专业晨读美文
The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k
Scientific American(八)月
1135 、 晶体点阵；晶体格构；晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、
英文名句短语
Todd: So Greg in the last one we were talking about minimum wage, and this is one of the topics in your book and it's about income disparity. One of the chapters is about income disparity. Now the opposite would be, should there the a salary cap? whi
原版英语对话1000个
The United Nation's chief humanitarian official says efforts to fill the gaps left by the 13 international aid groups kicked out of Sudan are insufficient and that the upcoming rainy season could further complicate an already serious humanitarian si
VOA标准英语2009年(三月)
But there's no guarantee rescue will come,and with such little water here, 是否有人救援还是未知之数 此地淡水贫乏 your health will start to decline rapidly. 人的健康状况会迅速恶化 Given that choice, I'd build a raft and se
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