[网络] 挥发性化合物；挥发性物质；挥发性成分

VOA慢速英语20061225a

This is the VOA Special English Development Report. Right now, the top story in AIDS research involves newly announced findings about adult male circumcision. Two studies in Africa found that circumci

发表于:2018-11-27 / 阅读(328) / 评论(0)

2006年慢速英语(十二)月

SSS 2009-11-11

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(52) / 评论(0)

Scientific American(十一)月

SSS 2011-03-08

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(135) / 评论(0)

Scientific American(三)月

60秒科学:Judging a Book by Its Odor

Judging a Book by Its Odor A study in the journal Analytical Chemistry identifies various organic compounds that old books give off and that can be analyzed noninvasively, offering important clues to an historic work's condition and prognosis. Steve

发表于:2019-01-30 / 阅读(143) / 评论(0)

60秒科学

科学美国人60秒 SSS 火灾无声中对葡萄酒造成的影响

Wildfires Spike Wine with Smoky Notes The fires that ripped across Napa and Sonoma last year damaged some two dozen wineries, and burned others completely to the ground. 去年发生在纳帕和索马诺的大火损毁了二十多家酒厂，并将其他

发表于:2019-02-13 / 阅读(50) / 评论(0)

2018年科学美国人2月

莎士比亚十四行诗全集:第76篇

Why is my verse so barren of new pride, 为什么我的诗缺乏点晴之笔， So far from variation or quick change? 行文沉闷呆板，千篇一律？ Why with the time do I not glance aside 为什么我的诗不顺应时尚， To new-found meth

发表于:2019-02-24 / 阅读(126) / 评论(0)

莎士比亚十四行诗全集

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学英语单词

2-(2-ethoxyethoxy)Ethanol

audio-frequency noise

be uncertain of

bring bringing into service

Bujumbura, Prov.de

bustard