試運轉(zhuǎn),跑合,配研,磨合,(美:breaking-in； wearing-in)走合
I need to break in these new shoes. 我得把這雙新鞋磨合磨合。
Don't drive your new car too fast until you've run it in. 新汽車未經(jīng)磨合運轉(zhuǎn)不要開得太快。
