Ravinement
沟蚀; 沟壑形成
🗣️ 情景例句
That's fine. I'll await his return call.
很好。我会等他的来电。
This house is for rent.
此房出租。
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。