Rarefying
v. 使稀薄( rarefy的现在分词 ); （思想等）精炼; 使纯化; 使变得精妙深奥
✅ 同义词
🗣️ 情景例句
And you didn't have a chance to eat.
而且你什么也没有吃。
A bad conscience is a snake in one's heart.
做贼心虚。
Last summer it was very dry, too.
去年夏天也是干得很。