- 释义：
- n. 水道，河道
- 例句：
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This species of fish successfully transferred to that river through a watercourse.
这种鱼成功地通过一条水道到了那条河流。
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The waste repository was usually the nearest watercourse.
废物容纳地点一般是离城市最近的水域.
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A watercourse that feeds water into a mill, water wheel, or turbine.
一种把水从磨房或水轮或涡轮放出的水渠.
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