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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(六)月

Here in the U.S., its Thanksgiving week. And many of us are getting ready to stuff our faces, watch football and take advantage of all those Black Friday sales. But eat enough turkey and you may not want to shop. Because a new study, in the Journal o

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(十一)月

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(332) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

Idiom: Play hard to get ( pretend not to want something ) Hit the book: Consume Calm effect Tryptophan Engage in Meditation Renowned Hypnotherapy Consuming banana and drinking a glass of milk Other insomnia remedies are by consuming certain fruit, su

发表于:2019-01-22 / 阅读(119) / 评论(0) 分类 趣味青春英语

If you are looking for a loan, serving your bank manager breakfast might just do the trick. 如果你准备申请贷款,不妨为银行经理准备早餐,问题即可迎刃而解。 A compound found in eggs makes people much more generous, new re

发表于:2019-02-07 / 阅读(449) / 评论(0) 分类 阅读空间
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