吃透英语课本，提升在校竞争力
phrase. 跌落；下降
The eggs fall off the spoons.
鸡蛋从勺子上掉下来。
When your exhaust pipe falls off, you have to replace it.
当你的排气管脱落时，你只能更换它。
He watched the leaf fall off the tree.
他看着树叶从树上落下。
已安全检测