标签:volcanic 相关文章
Three months ago, Mt Tongariro erupted, sending a cloud of ash into the sky. Today the same thing happened and it happened suddenly, without any early signs or noise. Again it sent a cloud of ash into the sky, about 5000m high. Listen to August 8th 2
Ancient People in South Africa Unharmed by Volcanic Eruption About 74,000 years ago, the Mount Toba volcano erupted on what is now the Indonesian island of Sumatra. The eruption caused a worldwide environmental disaster. It may have destroyed ancient
Crater 火山口 A crater is a big hole in the ground. 火山口就是地面上的大洞。 Volcanic activity can make craters. 火山活动会形成火山口。 After a volcano erupts, we see a huge hole on the top of the volcano. 火山喷发后,火
Earth is Always on the Move 地壳总是在运动的 From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors ar
Volunteers Get Taste of Mars in Hawaii 志愿者在夏威夷体验火星 For generations, people have dreamed of traveling to Mars to explore Earth's closest planetary neighbor. NASA and other space agencies have announced plans to send people to the
Two Events Blamed for Dinosaur Deaths Dinosaurs ruled the Earth for about 160 million years. Then they disappeared. Scientists have argued for years about what killed off the dinosaurs. Was it the huge volcanic eruption 66 million years ago in what i
Hawaii Volcanoes National Park: A Fiery World 夏威夷火山国家公园:一个火热的世界 EDITOR'S NOTE: This year, the U.S. National Park Service turns 100. Americans 28th President, Woodrow Wilson, formed the National Park Service in 1916 t
Hawaii was born in fire. It's islands born by volcanic eruptions. And in some places the fires still burn. On the Big Island, the island named Hawaii, Kilauea spills forth molten rocksin a daily spectacle of creation. The volcanos newest cone Puu Ōō
Hello, everyone. I'm Peddy Kim. Today we're heading off to New Zealand, well known as a thrill seekers' paradise. Hey this is the country that invented bungee jumping of all things. And that's the just the beginning. So get ready and pack your sense
His questions were different now, though, not as easily answered. 不过,他现在的问题变得不一样了,不再那么容易回答了。 He wanted to know what I missed about home, insisting on descriptions of anything he wasn't familiar with
Science and technology 科学技术 Mass extinctions 大灭绝 Small but deadly 陨石很小不过危害却很致命 The biggest extinction in history was probably caused by a space rock that changed the climate 历史上规模最大的一次物种灭绝
There are few corners of the world that remain blissfully oblivious to tourism. 世间幸有几处世外桃源,尚未受到旅游产业的惊扰。 The Azores can be counted as nine of them as this is the number of islands that make up the Portugue
President Barack Obama is in Poland, in an effort to strengthen relationships in Eastern and Central Europe, and to ask support for emerging Arab democracies(民主国家) . Our correspondent reports from Warsaw, the final stop on the president's six
iBT阅读词汇题指的是从语言环境(简称语境)中理解词汇。语境在这里又称上下文。英语单词常常是一词多义,词汇题除了考察考生是否具备一定单词量以外,还测试考生在一定语境下准确理解词
After six days of being grounded aeroplanes have been given the all-clear to fly in British airspace again. The UK has effectively been a no-fly zone since last Thursday when a huge cloud of volcanic ash was thrown up into the atmosphere by a volcano
The obvious risk of this happening to crowded passenger planes in British airspace was enough for the UK's Civil Aviation Authority to enforce a total ban on flights a move which was mirrored by other northern European countries. The dangers of flyin
14 The Fire Below 第十四章 地下的烈火 In the summer of 1971, a young geologist named Mike Voorhies was scouting around on some grassy farmland in eastern Nebraska, 1971年夏,一位名叫迈克沃里斯的年轻地质学家在内布拉斯加
The first Anderson or Witzke learned of this setback to their careers was when they arrived at a conference in South Dakota 这对他们的事业是个挫折。安德森和威策克最初听到这个消息是在他们出席南达科他州的一次会议
He insisted that the iridium had been deposited by volcanic action, 他坚持认为,铱是由火山活动沉积的, even while conceding in a newspaper interview that he had no actual evidence of it. 即使他在一次记者采访中承认,他拿
现在,我们拿GRE阅读NO题的NO8-1这篇文章做一个示范,来说明一下怎样提高新GRE阅读能力。 NO8-1,我们从词--句--篇章来谈谈这篇文章。 原文: Geologists have long known that the Earths mantle is heterogene