New Words：

fall [fɔːl] n.秋天 v.落下;掉落;跌落;跌倒
fell [fel] fall的过去式

The leaves begin to fall when autumn comes.
秋天来临时树叶开始落下。

She fell off a ladder.
她从梯子上掉下来。

One of the kids fell into the river.
小孩中有一个掉进了河里。

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