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
How many courses are you taking this semester?
这学期你选了多少课？
I hope you have a pleasant journey home.
祝您归途一路顺风。
The material was not damaged by us.
东西不是我们损坏的。