N-COUNT A downspout is a pipe attached to the side of a building, through which rainwater flows from the roof into a drain. 排水管 [美国英语]
He installed rain gutters and downspouts.
他安装了雨水槽和排水管。
Rain water is carried through an integrated gutter and down a downspout system.
雨水通过集成水槽形成下水落管系统。
It is amazing how many gardeners don't have a water butt, which just involves putting a barrel under a downspout.
令人吃惊的是很多园丁都没有积水桶,积水桶就是将一个桶放在落水管下面。
Reduce water usage by installing downspout extensions from your eavestroughs to direct rain to your flower beds.
从檐沟安装落水管,把雨水接到花坛,这样就可以节水了。
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