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
Uh-oh.
啊哈。
Many a good father hath but a bad son.
好父亲偏生不肖子。
I'll give you a call when we are ready to talk about them.
等我们准备好可以谈的时候，我会打电话给你。