They actually monitor the movement of the fish going up river.

他们实际上在观测鱼向上游的迁移活动。

《柯林斯英汉双解大词典》

All the students in Grade Three are going to clean up the banks of the Xiangjiang River.

三年级的所有学生将清理湘江的江岸。

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While we grew up we made it nearly a daily ritual of going fishing at the river in the woods.

我们长大后，几乎每天都要到森林里的河边钓鱼。

youdao

The jeeps travel on rudimentary dirt tracks (built to access Tahiti's network of hydroelectric stations) and skirt sheer drops overlooking vast river valleys while going up hills so steep you feel like gravity is no longer on your side.

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He heard a radio report that the river was going to rush up and flood the town, and that the all the residents should evacuate their homes.

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It's going to dredge the Hudson River to scrape up poisonous chemicals it dumped there years ago.

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