✅ 同义词
🗣️ 情景例句
Four will be good.
4只应该够。
Honesty may be dear bought,but can never be an ill pennyworth.
高价买诚实，永远也值得。
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，