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
You have some guests in the reception room.
有几位客人在接待室等 。
I've always respected him.
我一直很尊敬他。
Spring is a pretty season，
春天是一个好季节。