🗣️ 情景例句
He started out on a voyage around the world.
他开始周游世界。
Are you required to fill a quota of work each month?
你被要求每月都要达成工作的目标吗？
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，