| 单词 | mesopause |
| 释义 | mesopause /mez"euh pawz', mes"-, mee"zeuh-, -seuh-/, n. Meteorol. 1. the boundary or transition zone between the mesosphere and the ionosphere. Cf. mesosphere (def. 1). 2. the top of the mesosphere, determined by the appearance of a temperature minimum near an altitude of 50 mi. (80 km). Cf. mesosphere (def. 2). [1945-50; MESO- + PAUSE] |
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