wa·ter·course
noun/ˈwɔːtəkɔːs/
/ˈwɔːtərkɔːrs/
(specialist)- a stream or an artificial channel for water
河道；水道；沟渠；渠道 - Our priority is to control pollution in direct discharges to watercourses.
我们的首要任务是控制直接排放到水道的污染。
- Our priority is to control pollution in direct discharges to watercourses.