短語詞組短語practise beforehand 預(yù)先練習(xí)determine beforehand 事先決定;預(yù)先決定Tool beforehand 刀具進(jìn)刀beforehand detail 預(yù)capacity beforehand 容量beforehand throttle 預(yù)節(jié)流tell beforehand 預(yù)言install beforehand 可預(yù)置beforehand surveillance 事前監(jiān)理 返回 beforehand