[化] N-苯乙酰胺; N-苯乙酰苯胺

VOA标准英语2008年-US Defense Chief Calls for a Balanced US Milita

Four months before the Bush administration leaves office in January, Defense Secretary Robert Gates laid out his vision for U.S. military strategy on Monday, saying the Pentagon needs to strike a balance between conventional capabilities and the abi

发表于:2018-12-16 / 阅读(113) / 评论(0)

VOA标准英语2008年（九月）

万物简史第478期:生命在前进(20)

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

发表于:2018-12-18 / 阅读(124) / 评论(0)

万物简史

SSS 2011-03-29

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

发表于:2018-12-24 / 阅读(100) / 评论(0)

Scientific American(三)月

英文书摘精选有趣的事实,短嘴鳄可以再长牙齿

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

发表于:2018-12-28 / 阅读(68) / 评论(0)

初学者听力文摘精选

有声畅销书-秘密 2-18 Wallace Wattles

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-30 / 阅读(91) / 评论(0)

有声畅销书-秘密

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

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

发表于:2018-12-31 / 阅读(64) / 评论(0)

英语听力文摘 English Digest

语感启蒙4 A-Tu-Li-Ta 阿图丽塔

图片1

发表于:2019-01-01 / 阅读(173) / 评论(0)

清华幼儿英语语感启蒙

各国名人英文介绍-Preity Zinta

Preity Zinta is one of Indias most celebrated actresses. She has appeared in both Bollywood and English-language movies. In addition to acting, she is a writer, stage performer and philanthropist. She is also a businesswoman and co-owns a top Indian

发表于:2019-01-01 / 阅读(167) / 评论(0)

各国名人英文介绍

SSS 2008-04-17

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

发表于:2019-01-08 / 阅读(109) / 评论(0)

Scientific American(四)月

SSS 2009-11-13

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

发表于:2019-01-08 / 阅读(111) / 评论(0)

Scientific American(十一)月

Facebook高管给出的十条职场建议

Carolyn Everson is Facebook's (FB) VP of global marketing solutions. When asked what's the best advice she got from Lean In--the No. 1 best seller by Facebook COO Sheryl Sandberg, she listed 10 of them as follow: 卡洛琳艾弗森是Facebook全球营销

发表于:2019-01-08 / 阅读(100) / 评论(0)

求职英语

英语歌曲:vanessa carlton--Nolita fairytale

vanessa carlton--Nolita fairytale I know, you know, We don't see And so our truths wait patiently I walk the streets with a song in my head We ebb and we flow so Got my toes on my pup at the foot of my bed My heart always seems to know Now take the g

发表于:2019-01-10 / 阅读(134) / 评论(0)

E乐吧

2007年VOA标准英语-Democrats Face Uncertain Vote on War Funding Me

By Dan Robinson Capitol Hill 20 March 2007 Democrats in the House of Representatives face uncertainty as they proceed with plans to bring legislation to the floor later this week to fund the wars in Iraq and Afghanistan and provide billions in domes

发表于:2019-01-13 / 阅读(133) / 评论(0)

2007年VOA标准英语（三月）

OMG美语：频道 OMG!美语 Outta! Gotta!

1) outta = out + of 没了，走了 2) gotta = got + to 必须做 3) musta = must have = 一定 Were running outta time! 我们没时间啦！白洁最近听到一首很好听的中文歌叫：时间都去哪儿了。

发表于:2019-02-02 / 阅读(103) / 评论(0)

OMG美语

美国习惯用语:304 ace in the hole

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

发表于:2019-02-03 / 阅读(140) / 评论(0)

美国习惯用语

omg美语：1014 OMG!美语 Face to Face!

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

发表于:2019-02-03 / 阅读(105) / 评论(0)

OMG美语

Researchers make sperm from stem cell in dish

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

发表于:2019-02-04 / 阅读(231) / 评论(0)

英语新闻

VOA常速英语2008年-Serbia's Tadic Re-Elected President by Narrow M

By Barry Wood Belgrade 04 February 2008 Incumbent president of Serbia Boris Tadic won Sunday's presidential election, defeating by a narrow margin a pro-Russian nationalist candidate. VOA's Barry Wood reports from Belgrade. Boris Tadic (l), 03 Feb 20

发表于:2019-02-06 / 阅读(109) / 评论(0)

VOA常速英语2008年（二月）

老奶奶114岁，Facebook说没准备好

It's never too late to start something new. 去尝试新事物永远都不用在乎年纪。 Anna Stoehr, the oldest resident of Minnesota, signed up for Facebook just in time to get all those happy birthday wall posts when she turns 114 this weekend

发表于:2019-02-08 / 阅读(86) / 评论(0)

英语新闻

英语歌曲：节奏布鲁斯:Ace Hood - Overtime

饶舌:Ace Hood - Overtime 相关介绍：Ace Hood(Antoine McColister)出生在佛罗里达圣路易斯港。他成长在一个单亲家庭，他母亲在迈阿密Deerfield Beach区把它喂养大。当Ace Hood在一场足球比赛中受伤后，改变

发表于:2019-02-11 / 阅读(117) / 评论(0)

节奏布鲁斯

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

ablage

acidylable

active infrared equipment

calidris tenuirostris