adj.下游的，引发的，随之产生的
adv.顺流而下，在下游方向

The dam controls the flow of water downstream.
这座水坝控制着下游的水流。
The factory discharges its waste into the river downstream.
工厂将废弃物排入下游的河流。
Fish migrate downstream to spawn in the spring.
鱼在春天时会游向下游产卵。
The town is located downstream from the hydroelectric power plant.
这座城镇位于水力发电站的下游。
We need to monitor the water quality downstream from the sewage treatment plant.
我们需要监测污水处理厂下游的水质。
The bridge spans the river, connecting the upstream and downstream villages.
这座桥横跨河流，连接上下游的村庄。
The release of toxic chemicals has affected the ecosystem downstream.
有毒化学物质的排放已经影响了下游的生态系统。
The floodwaters threatened homes and farms downstream.
洪水威胁到了下游的房屋和农田。
Boaters should be cautious of rapids downstream.
划船者应小心下游的急流。
The spillway relieves pressure on the dam by diverting water downstream.
泄洪道通过引导水流至下游来减轻大坝的压力。