度不变的颗粒

SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(255) / 评论(0)

Scientific American(十二)月

波兰工程师研发空气净化设备

From VOA Learning English, this is the Health Lifestyle report. From Asia to Europe to North America, poor air quality is making people sick and, in some cases, killing them at an early age. Air pollution causes six million premature deaths every yea

发表于:2018-12-07 / 阅读(203) / 评论(0)

2017年VOA慢速英语(四)月

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(210) / 评论(0)

TED演讲教育篇

美国英语听力80篇3 Lesson41

[00:07.21]NASA's Stardust spacecraft has successfully deployed a device that will collect extremely small particles in space. [00:16.95]The particles are called dust. [00:19.72]They form a stream of particles that flows through our solar system. [00:

发表于:2018-12-26 / 阅读(154) / 评论(0)

美国英语听力80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(205) / 评论(0)

英语沙龙2004全年合辑上

英语儿歌274首第146期:O Christmastree

歌词如下： O Christmas Tree! O Christmas Tree! Thy leaves are so unchanging; O Christmas Tree! O Christmas Tree! Thy leaves are so unchanging; Not only green when summer's here, But also when 'tis cold and drear. O Christmas Tree! O Christmas Tr

发表于:2018-12-31 / 阅读(181) / 评论(0)

英语儿歌274首

地道英语在线听-Size Zero 零号

How thin is too thin? Yang Li: 大家好，欢迎收听BBC 的地道英语，我是Yang Li。 Diarmuid: And Im Diarmuid. In Real English we look at words and expressions you might not find in your dictionary. Todays expression is size zero. Yang Li: 这个表达是用来

发表于:2019-01-02 / 阅读(251) / 评论(0)

地道英语在线听

What size?

A man walked into a dress shop and told the clerk he wanted to buy a surprise formal evening gown (礼服, 睡袍)for his wife. What size? asked the clerk. The man shrugged blankly. Trying to help, the clerk inquired, Well then, what are your wife's

发表于:2019-01-06 / 阅读(273) / 评论(0)

趣味英语

学个词Learn a Word 第874期 size up

今天我们要学的词是size up。 To size up, 对某个人或某件事进行估计、评定。She is sizing up her romantic rival, 她仔细揣摩情敌的实力。The candidate sized up the situation and decided to withdraw, 这位候选人对选战

发表于:2019-01-06 / 阅读(203) / 评论(0)

英语单词荟萃

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(184) / 评论(0)

六分钟英语

SSS 2008-04-10

This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter？Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(247) / 评论(0)

Scientific American(四)月

SCIENCE IN THE NEWS - Snow

SCIENCE IN THE NEWS - December 10, 2002: Snow By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program about recent dev

发表于:2019-01-08 / 阅读(273) / 评论(0)

科技之光

VOA慢速英语2011-SCIENCE IN THE NEWS - Let It Snow!

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell you everything you wanted to know about snow. (MUSIC) FAITH LAPIDUS: Winter has returned to northern parts of t

发表于:2019-01-11 / 阅读(189) / 评论(0)

2011年VOA慢速英语(一)月

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(174) / 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(210) / 评论(0)

2006年慢速英语（一）月

音乐咖啡厅:I Am They - My Feet Are on the Rock

I can see the clouds roll in And I can feel the wind as they try to shake me I will not be moved My feet are on the Rock I can feel the waters rise And I can hear the howling lies that haunt me Fear won't hold me now My feet are on the Rock When I fe

发表于:2019-02-01 / 阅读(209) / 评论(0)

音乐咖啡厅

Official cars ordered off roads during hazardous pollution

BEIJING, Jan. 29 (Xinhua) -- Thirty percent of official cars in Beijing should not be used when there is extremely bad pollution, traffic authorities confirmed Tuesday. The order was implemented on Monday evening to help combat the fourth round of he

发表于:2019-02-04 / 阅读(315) / 评论(0)

英语新闻

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(208) / 评论(0)

实用英语

【英语时差8,16】打喷嚏-下

Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze. Because the nose lining tends to swell when we lie down, making it even more sensitive to sneeze-causing particles,

发表于:2019-02-23 / 阅读(440) / 评论(0)

英语时差8，16

万物简史第367期:进入对流层(8)

Certainly there is no shortage of energy in the world above our heads. One thunderstorm, it has been calculated, can contain an amount of energy equivalent to four days' use of electricity for the whole United States. In the right conditions, storm c

发表于:2019-02-25 / 阅读(186) / 评论(0)

万物简史

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学英语单词

BIGFET (bipolar insulated gate field effect transistor)

Bosanquets