Ravinement
溝蝕; 溝壑形成
??? 情景例句
It's really different from what I expected.
這和我想象中的很不一樣。
Every door may be shut but death's door.
除了死門外，每門都可關。
Really? Oh well, no news is good news.
真的嗎？噢，沒有消息就是好消息。