1.〈正式〉河流;水道,河道
1.<formal>a river, canal, or stream
1.Much is washed off by rain, ending up in local watercourses where dissolved nutrients can cause algal blooms and kill fish.
大部分是被雨水冲走，沉积在当地河道并在那里溶解成营养素，这种营养素能引起当地藻类大量繁殖并造成鱼类死亡。
2.Temporary channels shall be provided to facilitate run-off discharge into the appropriate watercourses, via a silt retention pond.
提供临时的渠道，使地面径流经淤泥沉积池排入适当的水道。
3.A motor boat was whizzing along the rambling watercourses stretching about in the primitive forests of Gabon, a Western African country.
一艘摩托小船在非洲西部国家加蓬的原始森林中的星罗棋布的河流上飞驰。
4.These two watercourses , together with the canal, are to become a "water golden tourism route" mainly constructed by Hangzhou.
这两条河道将偕同运河一起成为杭州市重点打造的“水上黄金旅游线”。
5.Storm drainage, even though the water may enter watercourses by way of pipes or channels, is considered nonpoint source pollution.
雨水排水也会经过水管或管道进入水道，这都被以为长短点源污染。
6.in summer months , plan a route with watercourses and spots shaded by trees . leave more time for rest . don t plan a prolonged journey.
如在炎夏季节远足，应选择有林荫及水源的路径，并在策划行程时预计多些休息时间。
7.Brief Talk about Modern General Plan for Regulating Rivers and Watercourses of "Flood Management"
浅谈“洪水管理”的现代治水方略
8.People should avoid going near easily flooded watercourses or passing through flooded areas.
市民应避免接近容易泛滥的河道及避免穿过水淹地区。
9.Further measures were taken to reduce pollution from drains and watercourses .
此外并采取其它措施有效地减少了排水渠和水道的污染。
10.farmers are required to install and operate waste treatment systems to prevent pollution of watercourses.
根据饲养禽畜发牌计划，禽畜农场必须装设和操作废物处理系统，以防止污染水道。