After turning off the engine, wait for at least 5 minutes for the oil to drain back into the bottom of the engine.

在发动机熄火后，为了让机油流回发动机底部，至少要等5分钟。

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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》

If another log checkpoint record is encountered while it is in drain mode, it goes back to buffering mode.

如果服务器处于排出模式下时遇到另一条日志检查点记录，那么它会回到缓冲模式。

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Officers, who had been investigating reports of drain covers being stolen in the area, stopped the van, being driven by Leith, and found nearly 20 drain covers in the back.

BBC: Worcestershire and Solihull drain cover thief jailed

In a soft-spoken but fiercely candid way, he talks about the city's seemingly insurmountable problems--high crime and unemployment, miserable schools, government cronyism, urban blight, a continuing brain drain, relentless push-back against painful cuts and, above all, the debt, the mountainous debt.

FORBES: Magazine Article

He had gone missing on Tuesday and was eventually coaxed back out of the drain by the sound of his owner's voice.

BBC: Port William cat rescued from drain pipes