| 单词 | mesosphere | 
| 释义 | mes·o·sphere    (mĕzə-sfîr′, mĕs-)n.  The portion of the atmosphere from about 50 to 80 kilometers (31 to 50 miles) above the surface of the earth, characterized by temperatures that decrease from 10°C to -90°C (50°F to -130°F) with increasing altitude. mes′o·spheric (-sfîrĭk, -sfĕr-) adj.  | 
	
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