音標發(fā)音英式音標 [?eks.??.sf??r]美式音標 [?eks.o?.sf?r]英式發(fā)音 美式發(fā)音 基本解釋(地球的)外逸層。同根派生 the exosphere相關詞英英字典劍橋英英字典 the region of the earth's atmosphere that is furthest from the earththe exosphere劍橋字典the exosphere柯林斯字典