| 单词 | tropopause |
| 释义 | Word Frequency tropopause(ˈtrɒpəˌpɔːz) noun meteorology the plane of discontinuity between the troposphere and the stratosphere, characterized by a sharp change in the lapse rate and varying in altitude from about 18 km (11 miles) above the equator to 6 km (4 miles) at the Poles |
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