i saw several passers-by fall down on the street covered with thin ice

题目

i saw several passers-by fall down on the street covered with thin ice
这句话 fall down 为什么不是 slow down .passers-by 是过路人撒.······翻译一下汗·······

答案

我看见几个路人倒在街道上覆盖着薄冰