Rarify
vt. 使成精细；使变稀薄\\nvi. 变稀薄；纯化
🗣️ 情景例句
Nothing ventured, nothing gained.
不入虎穴，焉得虎子。
The first several months were a difficult time.
所以头几个月过得有些艰难。
One man had a head wound and was in pain.
有一个人头部受了伤，非常痛苦。