子弹从金属护栏上弹开，差点击中路人。

The bullet ___ricocheted off the metal railing and nearly hit a passerby.

这则谣言在学校里迅速传播，引发了一系列误解。

The rumor ___ricocheted around the school, causing a chain of misunderstandings.

子弹从墙上反弹后改变了方向。

The bullet ___ricocheted off the wall and changed direction.