| 释义 |
iono·sphereBrE /aɪˈɒnəsfɪə(r)/NAmE /aɪˈɑːnəsfɪr/ nounthe ionosphere [sing.] a layer of the earth's atmosphere between about 80 and 1 000 kilometres above the surface of the earth, that reflects radio waves around the earth 电离层 ➡ compare stratosphere |