音标发音英式音标 [aɪˈɒn.əˌsfɪər]美式音标 [aɪˈɑː.nəˌsfɪr]英式发音 美式发音 基本解释电离层。同根派生 the ionosphere相关词英英字典剑桥英英字典 the part of the earth's atmosphere, from about 60 kilometres to about 1,000 kilometres above the surface, in which there are many ionsthe ionosphere剑桥字典the ionosphere柯林斯字典