Defluvium
[医]脱落
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
Vows made in storms are forgotten in calms.
激动时所立的誓，平静时会忘记的。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，