单词 | 地幔 |
释义 | 〔asthenosphere〕A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock.软流圈:地球中地幔的一个区域,在岩石圈之下,包括几百公里可变形的岩石〔core〕The central portion of Earth below the mantle, beginning at a depth of about 2,900 kilometers (1,800 miles) and probably consisting of iron and nickel. It is made up of a liquid outer core and a solid inner core.地核:地球的中心部分,地幔以下,开始于深为2,900公里(1,800英里)的地方,大概含有铁和镍。它由一个液体的外核和一个固体的内核组成 |
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