释义 |
iono·sphereBrE /aɪˈɒnəsfɪə(r)/ NAmE /aɪˈɑːnəsfɪr/ noun the 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 |