他安装了雨水槽和排水管。

He installed rain gutters and downspouts.

《柯林斯英汉双解大词典》

我能看到一切：我看到在我透明的脚下，雨水槽里有一团树叶；

I could see it all: a clump of leaves in the gutter beneath my see-through foot;

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通过实验室人工降雨水槽试验，研究了降雨影响下浅层水流的阻力规律。

The hydraulic resistance of shallow water flow under the influence of rainfall has been investigated through the flume experiment with artificial rainfall.

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