Watercourse

(noun.) a conduit through which water flows.

(noun.) natural or artificial channel through which water flows.

校对:朗达

• There is a watercourse across the moor. 阿瑟·柯南·道尔. 福尔摩斯归来记.
• In some great districts the Church owns all the property--lands, watercourses, woods, mills and factories. 马克·吐温. 傻子出国记.
• If one grants all this there is still the fact that it was the _Clermont’s_ success that opened the watercourses of the world to steam. 鲁伯特·萨金特·荷兰. 历史性发明.

艾德琳校对