Radioengineering
无线电工程
🗣️ 情景例句
Did you have a good time today?
今天玩得开心吗？
I asked him if he spoke English.
我问他他是否说英语。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，