upriver

向上游、往上游、逆流而上

We paddled upriver for three hours against a strong current.

我們逆流而上划了三個小時，水流很強。

在上游

The old mill stands a few kilometers upriver from the bridge.

那座舊磨坊位於橋樑上游幾公里處。

上游的

Several upriver towns were flooded after the heavy rain.

大雨過後，好幾個上游的小鎮都淹水了。