fall down. fall through. fall over. fall on 区别

问题描述:

fall down. fall through. fall over. fall on 区别

fall down 跌倒,失败,倒塌
fall through 落空,失败,告吹
fall over 跌倒,摔倒,绊了一跤 与fall down 近义
fall on 落到,指向 与 point to 近义