问题描述： fall off 与 fall down 区别 1个回答 分类：英语 2014-10-22 问题解答： 我来补答 两个句子：He falls off his bike and breaks his leg.He falls down from his bike and breaks his leg.fall down 摔倒,跌倒；fall off 跌落,脱落 展开全文阅读
