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单词 mesosphere
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mes•o•sphere  (mez′ə sfēr′, mes′-, mē′zə-, -sə-),USA pronunciation n. 
  1. Meteorology(in the classification of the earth's atmosphere by chemical properties) the region between the ionosphere and the exosphere, extending from about 250–650 mi. (400–1050 km) above the surface of the earth.
  2. Meteorology(in the classification of the earth's atmosphere by thermal properties) the region between the stratosphere and the thermosphere, extending from about 20–50 mi. (32–80 km) above the surface of the earth.
  • 1945–50; meso- + -sphere
mes•o•spher•ic  (mez′ə sfer′ik, mes′-, mē′zə-, -sə-),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
mesosphere /ˈmɛsəʊˌsfɪə/ n
  1. the atmospheric layer lying between the stratosphere and the thermosphere, characterized by a rapid decrease in temperature with height
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更新时间：2025/2/22 16:46:46