| 单词 | asthenosphere |
| 释义 | asthenosphereasthenosphere /æsˈθenəˌsfɪr/ noun earth science the asthenosphere the layer of rocks below the Earth’s crust (=outer layer of rocks) that is continuously moving and changing shape because of the heat produced by the core (=central part). The asthenosphere is below the lithosphere and forms part of the Earth’s upper mantle |
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