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【英语时差8,16】地幔

时间:2015-11-17 07:43来源:互联网 提供网友:yajing   字体: [ ]
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 For some time now, scientists have understood that the earth’s crust is divided into plates that move about at the rate of a few inches a year.But over time, form mountain ranges and volcanoes. They have also known that the earth’s mantle1, the layer between the earth’s crust and core, was the major player in the movement of the plates. Scientists talk about the mantle as a kind of weather system. There are cooler and warmer sections of the mantle that are in constant flux2 with one another, much like gathering3 storm clouds. These subterranean4 storms miles below the earth’s surface, though very slow in development, can eventually exert powerful force on the earth’s crust.


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1 mantle Y7tzs     
n.斗篷,覆罩之物,罩子;v.罩住,覆盖,脸红
参考例句:
  • The earth had donned her mantle of brightest green.大地披上了苍翠欲滴的绿色斗篷。
  • The mountain was covered with a mantle of snow.山上覆盖着一层雪。
2 flux sg4zJ     
n.流动;不断的改变
参考例句:
  • The market is in a constant state of flux.市场行情在不断变化。
  • In most reactors,there is a significant flux of fast neutrons.在大部分反应堆中都有一定强度的快中子流。
3 gathering ChmxZ     
n.集会,聚会,聚集
参考例句:
  • He called on Mr. White to speak at the gathering.他请怀特先生在集会上讲话。
  • He is on the wing gathering material for his novels.他正忙于为他的小说收集资料。
4 subterranean ssWwo     
adj.地下的,地表下的
参考例句:
  • London has 9 miles of such subterranean passages.伦敦像这样的地下通道有9英里长。
  • We wandered through subterranean passages.我们漫游地下通道。
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