Most competition cars will only roll over if they hit an obstacle.大多数赛车只有在撞上障碍物时才会翻车。I roll over in my bed.我在床上翻身.Chock the barrel up or else it will roll over.用塞块塞住圆桶,不然它会滚过去....

从（边上）滚下， （使）翻滚， （使）打滚，折...

roll over的音标：roll over的英式发音音标为：[rəul 'əuvə]roll over的美式发音音标为：[rol 'ovɚ]...