| 单词 | 对流层 |
| 释义 | 〔substratosphere〕The upper portion of the troposphere.副平流层：对流层的上半部分〔tropopause〕The boundary between the troposphere and the stratosphere varying in altitude from approximately 8 kilometers (5 miles) at the poles to approximately 18 kilometers (11 miles) at the equator.对流层顶：位于对流层和平流层之间的界限，其高度从两极的约8公里(5英里）至赤道上约18公里(11英里）〔troposphere〕The lowest region of the atmosphere between the earth's surface and the tropopause, characterized by decreasing temperature with increasing altitude.对流层：位于地表及对流层顶的大气最低层；气温随高度的增加而降低〔stratosphere〕The region of the atmosphere above the troposphere and below the mesosphere.平流层：位于对流层之上中顶层之下的范围的大气 |
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