粒子聚束器

TED演讲:摩尔有多大(1)

OK, today we're going to talk about the mole. 今天我们来谈一下摩尔。 Now, I know what you're thinking: I know what a mole is, 我知道你现在在想：我知道摩尔是什么， it's a small furry creature that digs holes in the ground

发表于:2018-12-18 / 阅读(40) / 评论(0)

TED演讲教育篇

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(58) / 评论(0)

英语沙龙2004全年合辑上

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(40) / 评论(0)

六分钟英语

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(46) / 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(80) / 评论(0)

2006年慢速英语（一）月

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(46) / 评论(0)

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学英语单词

aridic moisture regime

arms inspector

be careful in

bennedetto

biological cytophysiology

bog type of soil formation