che·mo·sphere 
(kēmə-sfîr′, kĕmə-)
(kēmə-sfîr′, kĕmə-)n.
The region of the atmosphere from 30 to 190 kilometers (20 to 120 miles) above the earth's surface, in which photochemical reactions initiated by solar radiation occur.
| 单词 | chemosphere |
| 释义 | che·mo·sphere (kēmə-sfîr′, kĕmə-)n. The region of the atmosphere from 30 to 190 kilometers (20 to 120 miles) above the earth's surface, in which photochemical reactions initiated by solar radiation occur. |
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