Fractionations
(fractionation 的复数) n. 分别, 分馏法\\n[化] 分级; 分馏; 分凝
🗣️ 情景例句
Think globally, act locally.
放眼全球， 从自身做起。
You forgot to fasten the collar buttons.
你忘了系鞋带。
Certainly, doctor.Come upstairs.
当然可以，医生。上楼吧。