单词：ocean ridge seismic belt
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The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(
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SCIENCE IN THE NEWS -January 22, 2002: Finding Atlantis By Jerilyn Watson VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program ab
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The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o
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The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[ 地 ] 岩石圈 )is divided into a few dozen p
考研背诵50篇
By Chad Bouchard Jakarta 02 August 2006 A new regional tsunami warning system in Southeast Asia can already detect dangerous conditions, but the network will not be completed for up to five years. The announcement comes just two weeks after a tsunam
2006年VOA标准英语（八月）
US Helps Search for Flight 370 With Planes, Equipment 美国帮助搜索航班370 The U.S. Navy has sent in several devices to search the bottom of the ocean, near where Malaysia Flight 370 might have gone down. The pinger locator and an underwater s
VOA标准英语2014年(四月)
Message on World Tsunami Awareness Day 世界海啸意识日致辞 5 November 2016 2016年11月5日 Today marks the first observance of World Tsunami Awareness Day. On this day, in 1854, a Japanese village leader recognized the signs of an approachin
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By Kurt Achin Seoul 26 July 2007 South Korea says kidnappers who killed a South Korean hostage in Afghanistan will be held accountable for their actions. As family and friends of the victim mourn, South Korean negotiators are trying to save the lives
2007年VOA标准英语（七月）
SCIENCE IN THE NEWS - The Ever-Present Threat of Tsunamis BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. This week, we tell about tsunamis -- the deadly sea waves often caused by
2011年VOA慢速英语(六)月
By Steve Herman Honolulu, Hawaii 26 June 2006 The massive earthquake and tsunami that hit the Indian Ocean 18 months ago has pushed governments, international organizations and scientists to expand a sophisticated network to detect tsunamis. VOA's S
2006年VOA标准英语（六月）
Australia has introduced a tsunami warning system, which experts hope will become an integral link in a network stretching across the Indian and Pacific oceans. The Australian Tsunami Warning Center will help provide a regional monitoring system for
VOA标准英语2008年(十一月)
This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t
VOA标准英语2010年(一月)
(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc
2018年NPR美国国家公共电台2月
By Claudia Blume Hong Kong 17 May 2006 The Pacific Tsunami Warning System has been tested for the first time with a two-phase, region-wide drill, sending alerts about imaginary earthquakes and tsunami
2006年VOA标准英语（五月）
More is known about the surface of the moon and the Mars than the bottom of the Earth's ocean. That's adding to the challenge of finding a missing passenger plane. First up, this Wednesday on CNN Student News, the search for Malaysia airlines Flight
CNN2014年(十)月
By Trish Anderton Jakarta 31 October 2007 Nearly three years after the massive Indian Ocean tsunami, Indonesia has only one working tsunami-warning buoy in place. Trish Anderton reports from Jakarta. Plans call for more than 20 buoys to monitor seism
2007年VOA常速英语（十月）
It was equally dismissive of convection and seafloor spreading. And in Basin and Range, published in 1980, John McPhee noted that even then one American geologist in eight still didn't believe in plate tectonics. 它同样不承认对流理论和海床
万物简史
A very little of this had been known for some time. People laying ocean-floor cables in the nineteenth century had realized that there was some kind of mountainous intrusion in the mid-Atlantic from the way the cables ran, but the continuous nature a
万物简史
Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle.The lithosphere is divided
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