单词：salicylate hydroxylase
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AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. The first word is a verb. The second word, sometimes even a third, is usually a preposition. Ph
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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
Scientific American(六)月
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. RS: The first word is a verb. The second word, sometimes even a third, is usually a preposition
词汇大师(Wordmaster)
Grammar Girl here. Listen up, everyone! Todays topic is phrasal verbs, as in to listen up. And now, guest-writer Bonnie Trenga writes, a listener, Paulino from Minneapolis, would like to know what phrasal verbs are and why they are called that. Phras
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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
医务英语
通常在战争中，我们只看到前线士兵和战斗的故事。在TEDGlobal 2010里，Zainab Salbi 讲述后方振奋人心的女人们的故事, 这些女人在战火中仍努力维持正常的生活。她呼吁在战争结束时，女性也应成
TED公开课:和平使者
分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine
麻省理工学院公开课：单变量微积分
Down by the salley garden是根据Yeats（叶芝,1865-1939,爱尔兰剧作家、诗人、获1923年诺贝尔文学奖）的同名诗歌《Down By the Salley Garden》谱曲而成，最初翻译为《柳园里》，是叶芝早年的诗作。他的早年诗歌韵律优美，感情细腻，辞藻华丽，象征意味浓郁，明显受到
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President Barack Obama awarded the highest U.S. military decoration, the Congressional Medal of Honor, to U.S. Army Staff Sergeant Salvatore Giunta on November 16, 2010. Since then, the Iowa native has traveled the country to honor the sacrifices of
VOA标准英语2010年(十二)月
GUY RAZ, HOST: So here's what a chemistry class at the Khan Lab School in Los Altos, Calif., sounds like. UNIDENTIFIED CHILDREN: (Singing) Hydrogen and helium and lithium, beryllium, boron, carbon everywhere. Nitrogen all through the air. RAZ: Don't
2017年NPR美国国家公共电台8月
A: Tom, are you there? It's Hannah from 4C. B: Hey, Hannah. Long time no hear from. A: My garbage disposal refuses to work. B: What happens when you turn on the switch? A: When I turn on the switch, nothing happens. B: When did you first notice this?
地道英语对话-租房
A: Is anybody home? It's me--Hannah. B: Hey, Hannah. How's everything going? A: My garbage disposal isn't working. B: Can you be a little more specific? A: Nothing happens when I turn on the switch. B: Do you remember how it started? A: about a week
地道英语对话-租房
A: Hello, Tom? This is Hannah in 4C. B: Hi, Hannah. What can I do for you? A: My garbage disposal went south. B: Does it turn at all? A: There is nothing but silence when I turn on the switch. B: Did it die suddenly? A: It started to make a weird sou
地道英语对话-租房
A: Hi, Tom. This is Hannah calling. B: Hi, Hannah. What's up? A: I think my garbage disposal kicked the bucket. B: Is it dying, or is it dead? A: Turning on the switch is the same as not turning on the switch. B: Did it make strange sounds before it
地道英语对话-租房
A: Hi, Tom. This is Hannah from apartment 4C. B: Oh, hi, Hannah. A: There is something wrong with my garbage disposal. B: Exactly what's going on? A: When I turn on the disposal switch, all I get is silence. B: When did this happen? A: Well, about a
地道英语对话-租房
今天我们要学的词是reversal。 Reversal, 是逆转的意思。A reversal of policy, 意思是政策的逆转。A reversal of decision, 意思是改变主意。支持泰国前总理他信的政党在星期天的选举中成为国会第一大党，
英语单词荟萃
Salbi's Women for Women International gives women who've survived war the tools to rebuild their lives Mohamed Elshinnawi | Washington, DC 15 December 2009 Zainab Salbi was named Washingtonian of the Year in 2006 by Washingtonian Magazine In 1993, Za
VOA标准英语2009年(十二月)
Simon: Hi! What's your name? Nathan: My name is Nathan Curtis Gildard. Well, my name is Nathan but people call me Nate, so. Simon: OK. What do you do in your free time? Nathan: I do a lot of different things. I like to travel around, I like to go to
原版英语对话1000个
我们去体味叶慈营造的质朴优美的诗境，去聆听藤田美惠伴着吉他风笛的轻声哼唱。尤其是夜深人静时，当圣洁如仙乐般的旋律轻缓地流过全身，你会发现自己已被带入一个没有喧嚣没有浮躁的世界 英文歌词 Down by the Salley Gardens By Emi Fujita（藤田惠美） Down by the
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听歌学英语:Down by the Salley Gardens藤田美惠 Down by the Salley Gardens 藤田美惠 Down by the Salley Gardens的作曲者是爱尔兰著名诗人、剧作家和神秘主义者William Butler Yeats，这首诗出自Yeats早年的作品，诗句
听歌学英语