Ravinement
沟蚀; 沟壑形成
🗣️ 情景例句
Please tell me about it right way.
请立即告诉我是什么。
Last month was December,wasn't it ?
上个月是十二月，对不对？
I was very tired when I arrived home. I'd been working hard all day.
我到家时非常累。我一整天都在玩命地干！