侏罗纪搏击俱乐部 第52期:恐龙骨头为何会汇集在一起?

The excavation uncovered one set of remains, then another, then another. 挖掘工作发现了一具骨骸之后又一具之后再一具。 Soon, they had thousands of bones from multiple species. 很快就有了来自多个物种的数千块骨头。

侏罗纪搏击俱乐部 第56期:死亡陷阱

In some ways, perhaps modern earth moving machinery is a better analogy for the type of power they have. 在一定程度上，用现代土方机械可能更能形容它们所有的力量。 If that's not enough of a deterrent and you're still coming

2007-10-13, Ultimate Earthquake - 终极地震

The arrival of the P-waves in Valparaiso feels like a long sonic boom. Windows and buildings shudder. Some of the P-waves shoot up into the atmosphere, emitting a frightening roar. The secondary waves follow, carrying most of the earthquake's energy.

英语听力文摘 English Digest 563、植物的自我防御！

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

Medieval siege 中世纪攻城战-10

Come and take a look at the rocks over here. It just pulverize d the stone on the inside. It confirmed what we came here to prove, didn't it? We had a lovely hit smacking in the middle and it smashed

Quake-Stricken Area of Japan Experiences Aftershocks, Dramat

By Steve Herman A powerful aftershock has rattled the quake-scarred region in Japan's Niigata Prefecture where more than 30 people have died and 100,000 have been homeless for four days. Meanwhile all

英语听力：自然百科 黄石公园的夏天 Yellowstone—4

Clues to why the herds are drawn to the Yellowstone plateau lie in its deep and unique history. This plateau is the created bowl of a huge sleeping volcano. And melting rock below the surface still pushes the land up to the cold of high altitude. But

SSS 2009-01-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If we want to learn more about our planet and other planets in the universe, we can get some help from stars that are long dead and gone. Thats what U.

Kenian Makau sets new world record at Berlin Marathon

BERLIN, Sept. 25 (Xinhua) -- Kenyan Patrick Makau sets a new world record at the 38th Berlin Marathon when he pulverized the former record by Ethiopian Haile Gebrselassie with 2:03:38 on 42,195 km on Sunday. With perfect conditions Makau was able to

美国硅砂矿引发社区担忧

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

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

CCTV9英语新闻：阿尔及利亚客机在马里失事地点第一图像

The first images of the Air Algerie crash site in Mali have emerged. The footage, released Friday, shows a stark terrain littered with bits of debris that appear to have been pulverized on impact. The video was aired on the French national public TV

美国国家公共电台 NPR An Epidemic Is Killing Thousands Of Coal Miners. Regulators Could Have Stopped It

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

英语听力：探索发现 2014-06-22 BBC 地平线：陨石的真相-18

Down on the ground, the scale of impact is even more breathtaking.The crater is more than 1000 meters across and nearly 200 meters deep.The forces here were enoumous.The impact on this solid rock into this pulverized mochi,just bustled in your hand.Y

2007年VOA标准英语-Bush Tours Tornado-Devastated Town in Midwester

By Paula Wolfson White House 09 May 2007 President Bush offered comfort Wednesday to the victims of one of the worst tornados to hit the United States in years. VOA's Paula Wolfson reports from the White House, Mr. Bush spent the day touring the smal

英伦广角 Issue 107 5.19中国开始为期三天的全国哀

Rescue teams stopped work, troops bowed their heads and China's president stood in silence in central Beijing exactly one week after the Sichuan earthquake left tens of thousands of people dead. Sirens wailed and flags flew at half-mast as China bega