the ionosphere
音標(biāo)發(fā)音
- 英式音標(biāo) [a???n.??sf??r]
- 美式音標(biāo) [a??ɑ?.n??sf?r]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- 電離層。
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 ions