磁性持针钳

SSS 2008-08-26

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(71) / 评论(0)

Scientific American(八)月

趣味青春英语第95期:Needle and a haystack

Idiom: Needle and a haystack 大海捞针 Hit the book： Master As well as Mood Chemical Be stuck on Discover

发表于:2018-12-27 / 阅读(86) / 评论(0)

趣味青春英语

第74期: kneel, lap, magnetic, nasty, zero

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(83) / 评论(0)

每日攻克5词

英语俚语天天说第63期:大海捞针needle in the haystack

释义： Stack：干草堆；Something that is extremely difficult to find. Anything that's on the verge of being impossible.很难找到的东西，也就是大海捞针；来源： Today, this phrase is typically said as It's like trying to find

发表于:2019-01-17 / 阅读(46) / 评论(0)

英语俚语天天说

VOA慢速英语2010年-Health Report - Needle Injuries to Med

This is the VOA Special English Health Report. For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are supervised. But sometimes accidents happen and the students get injured. For exam

发表于:2019-01-31 / 阅读(73) / 评论(0)

2010年慢速英语(二)月

Magnetic Bubbles Detected at Edge of Solar System

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(60) / 评论(0)

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activated anti-rolling tank stabilization system

azimuth steerable and propulsion unit

baleful train

be competent for