| 词汇 | thermosphere |
| 释义 | thermosphere noun environment specialized uk/ˈθɜː.mə.sfɪər/ us/ˈθɝː.moʊ.sfɪr/ the thermosphere [ S ]（大气的）热层 the region of the earth's atmosphere that is above the mesosphere and in which the temperature increases with height Nitric oxide can cool the very hot gas that surrounds the earth known as the thermosphere. Above the troposphere, the atmosphere is divided into the stratosphere, mesosphere, and thermosphere. Compare: asthenospherethe atmospherebiosphereexospherehydrosphereionospherelithospheremesospherestratospheretroposphere Related word: thermospheric |
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