积粒子数

美国英语听力80篇2 Lesson31

[00:06.97]An Israeli study has shown that air pollution from cities and industry can reduce rain and snowfall. [00:17.53]It says the problem appears to be linked to the number of pollution particles in clouds. [00:24.82]Daniel Rosenfeld of Hebrew Uni

发表于:2018-12-26 / 阅读(31) / 评论(0)

美国英语听力80篇

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(41) / 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(47) / 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

TED演讲:为何番茄酱很难倒出来(1)

French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃，再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

发表于:2019-01-17 / 阅读(48) / 评论(0)

TED演讲教育篇

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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Brunel,Sir Marc Isambard

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