[化] 四氮卟吩; 紫菜碱

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 第五段四级词汇超级变态难词记忆串讲(五) masc uline男性,男子气概的- mousemuscle-肌肉masculine-男子汉 orph an孤儿-orph=off-出去 in f ant-婴儿 par

发表于:2018-11-29 / 阅读(272) / 评论(0) 分类 《新东方 [爵以词雄] 词汇》刘一男

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(169) / 评论(0) 分类 Scientific American(一)月

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发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 医务英语

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

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学英语单词
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air vent handle
Asynchronous Digital Subscriber Loop
Atch.
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