撞到一棵树，然后就滚下了山坡。

It hits a tree, and rolls down the hill.

youdao

球飞到半空中，撞到一棵树，然后就滚下了山坡。

The ball flies through the air. It hits a tree, and rolls down the hill.

youdao

球飞到半空中，撞到一棵树，然后就滚下了山坡。

The ball flies through the air. It hits a tree, and rolls down the hill.

youdao