那只鸟鼓翼向河的上游飞去。

The bird flapped (its way) up the stream.

《新英汉大辞典》

我看见这些鸟顺着河飞。

We can see then flying along the river.

youdao

我看见这些鸟顺着河飞。

We can see then flying along the river.

youdao