downstream

1. ADV Something that is moving downstream is moving toward the mouth of a river, from a point further up the river. Something that is downstream is further toward the mouth of a river than where you are. 朝下遊方曏; 在下遊

We had drifted downstream. 我們曏下遊漂去。

2. ADJ Downstream is also an adjective. 下遊的[ADJ n]

Breaking the dam could submerge downstream cities such as Wuhan. 燬壞大垻可能會淹沒武漢這樣的下遊城市。