“下游”造句

科隆在离美因茨并不遥远的下游方向。
Cologne is not so very far down-river from Mainz.

9点30分时我们就解缆向下游出发了。
By 09.30 we had cast off and were heading down-river.

下游的社区已经接到了预警。
Communities downstream have been alerted.

• #下游