| 释义 |
〔centrosphere〕The central core of the earth. Also called In this sense, also called barysphere 地核 也作 在此意义上也可称作 barysphere〔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 |