We enjoyed a day's fishing by the river.

我们在河边享受了一天垂钓之乐。

The kids were playing by the river and one of them fell in.

孩子们在河边玩耍时，其中一个突然落水了。

You really live by the river?

你真的住在河边吗？

He's standing by the river.

他正站在河边。

The little boy always catches dragonflies by the river in summer.

夏天，这个小男孩总是在河边抓蜻蜓。