🗣️ 情景例句
She's still giving the toughest English history exams
她仍用最艰深的英国史试题考学生
Every family has problems.
家家有本难念的经。
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，