单词:bromophenylacetonitril
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今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her
By Doug Levine Washington 28 October 2006 Saxophonist Michael Lington became a fan of American jazz while growing up in his native Denmark. It was a passion so strong that he eventually settled down in the U.S. and launched a recording career. In a
欣赏独具创意的英语广告!边听边看边学,品味世界名牌的风范,从细微之处感受英美社会的文化。
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
The United Nations has called on Nepal's former Maoist rebels to release child soldiers who were recruited as guerilla fighters during their decade-long campaign to overthrow the monarchy. Anjana Pasricha reports from New Delhi, the former rebels ar
While women continue to advance in American society, many little girls still get stuck in a world of fairytale princesses and frilly pink dresses. That does not sit well with journalist Peggy Orenstein, who mused about her young daughter's obsession
Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele
Washington Insider Susan Rice Could Face Tough Nomination Battle Ambassador Rice has been a Washington insider practically since birth. She grew up in affluent Washington circles, the daughter of a governor of the Federal Reserve System. She distingu
今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道,最大的牌就是ace。有了ace,你就胜券在握,你轻易不会出ace,而是备而不用,要把好钢用在刀刃上。这样就产生了下面我们
1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同
By Jocelyn Ford Banda Aceh 08 February 2007 Newly-elected Governor of Aceh Irwandi Yusuf, second from right, and his deputy Muhammad Nazar, right, are congratulated by officials after swearing- in ceremony in Banda Aceh, 8 Feb 8 2007 A former guerill
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
Todd: So for the Satay you can have beef, chicken, liver, mutton. Now, people might not know what mutton is. What is mutton? Ivan: Mutton is a lambs meat. Todd: Lambs meat. Or sheeps meat. Ivan: Sheeps meat, yeah. And its well actually, personally th