This is the 6800th most frequent Chinese word.
河段
A section or segment of a river.
In this sentence, 河段 refers to the upstream section of the river, emphasizing a specific portion or segment of the water body.
这条河的上游河段流速较快。
The upstream section of this river has a relatively fast flow rate.
Here, 河段 indicates a polluted section within the river's entirety, highlighting a specific area targeted for environmental efforts.
政府计划修复受污染的河段，以改善生态环境。
The government plans to repaimmediate>>> the polluted section of the river to improve the ecological environment.
In this case, 河段 is used to name various scenic and distinctive parts of the river, particularly in the context of tourism.