Rarefactions
(rarefaction 的复数) n. 稀薄化, 稀薄\\n[医] 稀疏[状态], 疏松[状态]
🗣️ 情景例句
What was it about?
刚才谈什么？
Save a thief from gallows and he will help hang you.
放虎归山。
Who is this young man?
这个年轻人是谁？