Miners built the tunnel to drain water out of the mines.

矿工们开掘了隧道以将水排出矿井。

《柯林斯英汉双解大词典》

Clogged pipes caused drain water to back up into the room.

水管堵塞，排出去的水倒灌入室。

《新英汉大辞典》

Clogged pipes backed up drain water.

阻塞的水管堵塞了沟水。

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It does however serve an important function, in helping the region drain water better.

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Like many jockeys, he took diuretics to drain water from his system and ran up to 25 miles a day.

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The highways that ring Manhattan along the water sit atop a series of tide gates that are designed to drain water from the road and keep water from gurgling up from below, said Sam Schwartz, a former city transportation commissioner who now works as a consultant.

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