efore
美
英 
例句
Be sure to avoid stressing it in any way for several days efore introducing any recovery exercises at all.
在開始康復練習之前,務(wù)必要休息數(shù)日并避免該部位的再次受到任何壓力。
Create a trial version of the iPhone app that you developed to test the waters b efore launching the product full-blast.
在全面發(fā)行之前,先做一個測試版進行試水。