跟Susan一起学美语 第99期:苏珊讲单词(9)air gas和atmosphere的区别

9. air/gas/atmosphere The room was so stuffy that it felt like there was no air. Did you remember to switch off the gas? Despite the argument which took place earlier , the atmosphere was amicable.

北师大版高中英语模块1--Unit 2 Heroes Les1-2

[00:00.00]When the spaceship was doing its seventh circle [00:03.54]Yang Liwei showed the flags of China [00:05.67]and the United Nations, [00:07.43]expressing the wishes of the Chinese people [00:09.64]to explore and use space peacefully. [00:13.21]

大学英语自学教程上UNIT8

[00:02.25]第八单元 课文A [00:04.49]Telecommunication via Satellite [00:06.71]卫星通信 [00:08.93]At the beginning of the twentieth century, [00:11.31]20世纪初 [00:13.69]there were four powerful means of transmitting and receiving information [00:17.37

英语听力文摘 English Digest 581、为何夜晚比白天平静？

Why Are Nights More Calm Compared To The Day? More often than not, the wind dies down at night after a blustery day. Where does the wind go? Why are nights generally more calm than days? The difference between calm nights and windy days is the sun. D

英语听力文摘 English Digest 578、什么是太阳能龙卷风？

What Are Solar Tornadoes? Large, Earth bound tornadoes are pretty impressive weather events. Those dark, giant funnel clouds inspire much awe and fear. But theyre nothing compared to so called solar tornadoes solar gases swirling in monstrous formati

英语听力文摘 English Digest 596、以前的昆虫是很庞大的！

In The Past, Insects Were Huge! Once upon a time, hundreds of millions of years ago, many insects were much larger than they are today. Scientists have found fossilized remains of dragonflies with wingspans several feet in diameter. Other insects wer

英语听力文摘 English Digest 530、为何天空不是统一的蓝色？

Why The Sky Is Not Blue Look at various parts of the sky on a clear day and you will see that it is not a uniform blue. Even if the sky is deep blue when you look straight up, near the horizon it is lighter. This is partly due to pollution, but even

ENVIRONMENT REPORT - Wildfires Blamed For Climate

ENVIRONMENT REPORT– Wildfires Blamed For Climate By George Grow Broadcast: December 20, 2002 This is the VOA Special English Environment Report. A new study has found that major forest fires can inf

Modern English 洋话连篇（十）

1. He thinks himself somebody, but we think him nobody. 他自以为是重要人物，但我们觉得他什么也不是。 2. I believe I haven't reached the summit of my career. 我相信我还没有达

SSS 2010-12-06

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

VOA标准英语2011--Study: Reducing Soot is Fastest Way to S

Study: Reducing Soot is Fastest Way to Slow Climate Change A new study finds that reducing carbon-rich soot emissions could be the fastest and most economical way to slow climate change and protect human health. Those dust-like particles released in

英语听力文摘 English Digest 436、UFO来袭！

UFO Attack 飞碟来袭 June.Nineteen sixty-nine, not one airliner but two, plus the pilot of an Air National Guard fighter plane, report being harass ed by a team of UFOs. One man estimates the glowing ships have come within a few hundred feet. The

英语听力文摘 English Digest 147、流星

If you find yourself away from a city, spend an hour looking up on any clear, moonless night. You're bound to see a few brilliant shooting stars. These actually have nothing to do with stars: They're meteors, and if your viewing conditions are good,

英语听力文摘 English Digest 313、朝露能预测天气？

Is Dew In The Morning A Good Way To Predict The Weather? 朝露能预测天气？ When the dew is on the grass, rain will never come to pass; When grass is dry at morning light, look for rain before the night. Whats the science behind this old aphori

英语听力文摘 English Digest 152、下雪打雷？

It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto

英语听力文摘 English Digest 176、大气层摩擦热

Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗？来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe

美国国家公共电台 NPR You Don't Have To Go No-Carb: Instead, Think Slow Carb

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

英语播客EnglishPod 708

Daily Life - Wedding Planning Its always a joyous occasion when a couple decide to get married. However one person is always more interested in the details than the other, usually the soon to be wife. in this lesson we talk about wedding planning.

英语听力文摘 English Digest 276、飞机的凝迹

Airplane Contrails Have you ever seen a perfectly cloudless sky? Cloudlessthat isexcept for two or three long white lines smeared across the perfect blue sky by airplanes like smudges on a pane of glass. Why do airplanes sometimes leave contrails beh

英语听力文摘 English Digest 247、呼吸甲烷

A Fresh Breath of Methane 很早很早以前地球有很微量的氧气，而且地表状况十分恶劣。大气主要是N2和Co2，后来通过复杂的变化，地球开始出现了厌氧型生物。在生命的作用下，地球的氧气开始不断