逆转录酶

VOA慢速英语 2008 0326a

Health Report - New Drug Shows Promise Against Worm Disease Experts worry that the parasite that causes schistosomiasis could become resistant to an existing treatment. Transcript of radio broadcast: 25 March 2008 This is the VOA Special English Hea

发表于:2018-12-15 / 阅读(32) / 评论(0)

VOA慢速英语2008年（三）月

英语语法：92 Subjunctive Verbs

[Note: I originally covered this topic September 16, 2006. The transcript you see now on the page is a new version that was updated March 5, 2009. Some of the reader comments at the bottom relate to the earlier version.] Grammar Girl here. Today's to

发表于:2019-01-02 / 阅读(54) / 评论(0)

英语语法 Grammar Girl

英语语法：155 Addictive Versus Addicting

Grammar Girl here. I'm on vacation this week, but before I left I updated one of the early episodes that I took down a few months ago. I hope you enjoy this new and improved version. Today's topic is addictive versus addicting, and we'll get to use a

发表于:2019-01-02 / 阅读(85) / 评论(0)

英语语法 Grammar Girl

SSS 2008-10-06

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(60) / 评论(0)

Scientific American(十)月

SSS 2008-08-11

Transcript This is Scientific American's 60-Second Science. I'm Adam Hinterthuer . Got a minute? Apparently all of the gyms in the suburbs can't compensate for a good old walk. At least that's the story told by a report in the September issue of the

发表于:2019-01-08 / 阅读(45) / 评论(0)

Scientific American(八)月

保持好关系的7种道歉

The author of the The Age of Miracles: A Novel (now out in paperback) reveals the kind of I'm sorry that can turn a marital mistake into a moment of connection. 1. I'm sorry I locked us out of our apartment building that night last January, while you

发表于:2019-01-08 / 阅读(79) / 评论(0)

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a putty medal

abhorrent from

abraham's siphon sluice

Achair

AI AND inverter

alumina porcelain jacket crown

ampholyte ions

antiinterferon

Bacillus paratuberculosis

balance as a whole

Balanidae