Pour a quart of warm water down basement drain so it fills the pipe and prevents sewer gases from seeping into your home.

往地下室下水道注入1夸脱的温水，这样做可以保证水管里面充满水，并防止下水道的沼气渗透到房子里。

youdao

Wait until any flood waters are below basement level before trying to drain or pump a basement.

等到洪水降到地下室的水平线以下时，再去排空或用水泵抽干地下室的水。

youdao

The sewers flooded up through the basement drain.

NEWYORKER: Great Experiment

My toaster, crockpot and dish drain are hidden in the basement.

WSJ: How Much Staging Is Too Much?--WSJ House Talk