Rarefication
n. 变稀薄, 稀薄
🗣️ 情景例句
I've always liked camping out.
我一直喜欢露营。
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
Perhaps it will suffice to mention the nuclear bomb.
也许提一下核弹就足以说明了。