Eng: Prior to

Prior to class

課前

Prior to cutting up

分割前

Prior to dividing

分割前

Prior to experimenting

實驗前先

Prior to going to bed

在睡覺前

Prior to leaving the vehicle

走出車外前

Prior to partitioning

利用分割前

分割前

Prior to that

在此之前

Prior to the event

事件發生前

Prior to the experiment

實驗前先

Prior to vomiting

嘔吐之前