相差显微术;相衬显微术

Improve Your Writing with Contrast and Concession For VOA Learning English, this is Everyday Grammar. Today we are going to talk about words that connect opposing ideas. We call these ideas contrast or concession. Some of these adverbs are but, altho

发表于:2018-12-08 / 阅读(45) / 评论(0) 分类 2016年VOA慢速英语(一)月

【常见列举用转折词语】 1) for one thing, for another, above all things; 2) to begin/start with, next/besides/moreover, last/finally; 3) in the first place, in the second, in the third, (and) best of/worst of all; 4) one of these, ano

发表于:2018-12-18 / 阅读(76) / 评论(0) 分类 雅思英语

Nobel in Chemistry for Seeing Biomolecules in Action 诺贝尔化学奖微化分子结构 The Royal Swedish Academy of Sciences has decided to award the 2017 Nobel Prize in Chemistry jointly to Jacques Dubochet, Joachim Frank and Richard Hendersonfor

发表于:2018-12-24 / 阅读(39) / 评论(0) 分类 2017年Scientific American(十)月

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 2017年VOA慢速英语(十)月

今天我们要学的词是phase out。 Phase out, 是逐步结束的意思。世界上最年轻的国家南苏丹独立后宣布,学校教育将逐步淘汰阿拉伯语,改用英语教学。 The government of South Sudan announced it will phase

发表于:2019-02-05 / 阅读(72) / 评论(0) 分类 英语单词荟萃

Hell, of the Max Planck Institute for Biophysical Chemistry, G?ttingen, and German Cancer Research Center, Heidelberg, both in Germany, developed a way to use two laser beams to make individual molecules glow on and off. 斯特凡W赫尔,作为哥廷

发表于:2019-02-07 / 阅读(54) / 评论(0) 分类 英语新闻