downspout

例句：

1. 1.The downspout from the roof drains into the gutter below.
   屋顶的排水管将雨水引流到下面的檐槽中。
2. 2.The downspout is designed to direct water away from the house.
   这个倒水口的设计是将水引导出房子。
3. 3. The downspout was clogged with leaves and debris, causing a backup in the drainage system.
   倒水口被树叶和杂物堵塞，导致排水系统发生堵塞。