Ravinement
沟蚀; 沟壑形成
🗣️ 情景例句
I'll write if you will.
我会给你写信，你也要写哦。
I could not catch your question. Could you repeat it, please?
我没听清楚你们的问题，你能重复一次吗？
They don't often have a bad day this year.
他们今年的运气还不错。