荷电粒子截面

X星球系列故事第25期:Five years old

Its five years old. 它五岁了 'Now remember boys and girls,' said the science teacher. 'You can tell a tree's age by counting the rings in a cross section. one ring for each year.' Tom went home for dinner and found they were having a jelly roll f

发表于:2018-12-18 / 阅读(127) / 评论(0)

TED演讲国际问题篇

SSS 2010-05-28

This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should

发表于:2018-12-24 / 阅读(130) / 评论(0)

Scientific American(五)月

第38期: cap, stocking, cross, hole, fragile

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 cap [ kAp ] It's better to put the cap

发表于:2018-12-30 / 阅读(160) / 评论(0)

每日攻克5词

4-13 都市杀手

Big City Killer If the cigarettes don't get 1 you the traffic pollution will. Up to a fifth of all lung cancer deaths in cities are caused by tiny particles of pollution, most of them from vehicle exh

发表于:2018-12-30 / 阅读(148) / 评论(0)

英语沙龙2004全年合辑上

冰岛火山惊人新发现:火山灰中产生内部电流(有声

Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should be limited to the top and bottom of any ash plume, which is often the site of spect

发表于:2019-01-02 / 阅读(101) / 评论(0)

60秒科学

Cross Canadian Ragweed Blends Country

Mary Morningstar Cross Canadian Ragweed formed in 1994, and spent the next eight years building a regional fan base in the southwestern U.S. The Oklahoma-based band released four albums on its own lab

发表于:2019-01-03 / 阅读(170) / 评论(0)

VOA2004（上）--艺术专集

中国的空气污染

Rob: Hello I'm Rob. Welcome to 6 Minute English. I'm joined today by Finn. Hello Finn. Finn: Hello Rob. Rob: In this programme we're talking about a serious problem that has been affecting some of the big cities in China: that's air pollution. Finn:

发表于:2019-01-07 / 阅读(117) / 评论(0)

六分钟英语

英语日常口语：面对面交流

面对面的交流就是 face to face，许多人认为这样的沟通效果和电话上或网上联系是不一样的。例句 I've been in touch with my niece, who was born in South America, for years but we have never met face to face. One way of

发表于:2019-01-08 / 阅读(152) / 评论(0)

英语日常口语

鹅妈妈童谣 51 Hot Cross Buns

Hot cross buns! Hot cross buns! One ha' penny, two ha' penny, Hot cross buns! If you have no daughters, Give them to your sons One ha' penny, Two ha' penny, Hot Cross Buns!

发表于:2019-01-09 / 阅读(358) / 评论(0)

鹅妈妈童谣

Lesson 22 - TWIST ONE'S ARM / CHARGE SOMEONE AN ARM AND A LE

To twist someone's arm To charge someone an arm and a leg 今天我们要讲的两个习惯用语是由 arm，也就是手臂和leg，也就是腿这两个字组成的。我们要介绍的第一个词汇

发表于:2019-01-11 / 阅读(215) / 评论(0)

美国习惯用语

VOA标准英语2011--Study: Upper-Atmosphere Particles Slow P

Study: Upper-Atmosphere Particles Slow Pace of Global Warming A recent study finds tiny particles suspended high in Earths atmosphere are having a greater impact on global climate than previously believed. The airborne particles, known as aerosols, a

发表于:2019-01-14 / 阅读(112) / 评论(0)

VOA标准英语2011年(八月)

VOA慢速英语20060110b

SCIENCE IN THE NEWS - Winter Cold: Everything You Ever Wanted to Know About SnowBy George Grow Broadcast: Tuesday, January 10, 2006 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob D

发表于:2019-01-16 / 阅读(158) / 评论(0)

2006年慢速英语（一）月

2017年CRI T-Charge: New London traffic charge comes into force

London is implementing a new traffic charge on polluting gas and diesel cars in the capital. The so-called T-charge is aimed at dealing with the poor quality air which has been blamed for premature deaths, asthma, strokes and other diseases. CRI's Li

发表于:2019-01-19 / 阅读(204) / 评论(0)

2017CRI中国国际广播电台

音乐咖啡厅:Cross Every River 流走的河流

歌手介绍: Maria Arredondo，1985年七月六日降生于挪威的文内斯拉（Vennesla）小镇。和很多出色的歌手一样，Maria从很小的时候便显露了过人的音乐天赋。她的母亲说她是从会走路的那天起，就会唱歌了。她从10岁起就开始参加地区的各种歌唱比赛，成绩颇佳。她用了两年时

发表于:2019-02-05 / 阅读(216) / 评论(0)

音乐咖啡厅

学个词Learn a Word 第1562-charge

今天我们要学的词是charge. Charge做为动词，有起诉的意思。默多克新闻集团窃听丑闻的最新进展是，Eight of Rupert Murdoch's editors and reporters have been charge with hacking the voice mailboxes of more than 600 peop

发表于:2019-02-06 / 阅读(155) / 评论(0)

英语单词荟萃

英语歌曲:Cross Every River

Cross Every River As I sit here all quiet 当我坐在这里，四周一片寂静 Wonder why were apart 我们就这样分开了 And the noise from the city 城市的喧嚣 Cuts a hole thru the dark 将黑暗切出一个缺口 As the nighttime is fal

发表于:2019-02-08 / 阅读(163) / 评论(0)

好听的英文歌曲

事实：达芬奇眼中的树-Da Vinci’s Rule of the Trees

Pre-Listening Vocabulary observation: something that you see cross section: a view of the inside of something after a cut has been made across it hold true: remain a fact or truth even in other situations ideal: suitable sap: fluid (sugar and mineral

发表于:2019-02-08 / 阅读(371) / 评论(0)

Facts-事实

东京奥运会开幕式上，会有一场人造流星雨

If you thought Russia's recent efforts to prevent rain in the sky from dampening holiday spirits represented the ultimate in scientific stage management, you ain't seen nothing yet. 如果你认为俄罗斯最近为了阻止雨水毁掉节日氛围的努

发表于:2019-02-09 / 阅读(141) / 评论(0)

实用英语

学个词Learn a Word 第1672-free-of-charge

今天我们要学的词是 free of charge。Free of charge 免费。The course is offered to students free of charge. 学生可以免费上这门课。Google's VoIP phone service will remain free of charge within the U.S. and Canada in 2013. 2013年用

发表于:2019-02-17 / 阅读(132) / 评论(0)

英语单词荟萃

CCTV9英语新闻：朝鲜致电韩国红十字会就韩客轮沉船事故表慰问

The Red Cross Society of the Democratic Peoples Republic of Korea has sent a message of sympathy to the South Korean Red Cross over the April 16th ferry disaster. The message expressed deep sympathy over the mass casualties caused by the ferry Sewol

发表于:2019-02-18 / 阅读(150) / 评论(0)

CCTV9英语新闻2014年04月

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achondroplastic dwarfism