watercourse
n.水道,河道
难易程度:
watercourse为短语/超纲词汇
watercourse
n (channel of a) stream, brook or man-made waterway 河道; 水道; 渠道.
watercourse
n[C]a place where water flows, for example a river or
canal chemicals that pollute the local watercoursea long thin hole for water to flow through
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