搜索
upstream
adv
例子
The village was located upstream from the industrial plant, ensuring clean water for its residents.
They paddled upstream against the strong current to reach their favorite fishing spot.
The canoeists struggled as they moved upstream, battling against the swift-flowing river.
The salmon swim upstream to spawn in the freshwater streams where they were born.
They hiked upstream along the winding creek to explore the secluded waterfall hidden deep in the forest.
