音標發(fā)音英式音標 [a???n.??sf??r]美式音標 [a??ɑ?.n??sf?r]英式發(fā)音 美式發(fā)音 基本解釋電離層。同根派生 the ionosphere相關詞英英字典劍橋英英字典 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劍橋字典the ionosphere柯林斯字典