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单词 mesopause
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mes•o•pause  (mezə pôz′, mes-, mēzə-, -sə-),USA pronunciation n. [Meteorol.]
  1. Meteorologythe boundary or transition zone between the mesosphere and the ionosphere. Cf. mesosphere (def. 1).
  2. Meteorologythe top of the mesosphere, determined by the appearance of a temperature minimum near an altitude of 50 mi. (80 km). Cf. mesosphere (def. 2).
  • meso- + pause 1945–50

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