| 单词 | the ionosphere |
| 释义 | the ionosphere UK [ðiˌaɪ'ɒn.əˌsfi:r] US [-'ɑ:n.əˌsfi:r] noun only singular ■part of the Earth's atmosphere , from about 60 kilometres to about 1000 kilometres above the surface, in which there are many ions 电离层 Compare the stratosphere |
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