The waste liquid needs to be siphoned off.

需要把废液抽走。

《牛津词典》

CO2 from the conversion of the gas can be siphoned off.

二氧化碳从气体转换的过程中可以被抽取出来。

youdao

The excess could be siphoned off or removed with a pipette.

过剩样品可以虹吸出或者用移液管将其除去。

youdao

It is physically impossible for oil-for-food revenues (in a UN-controlled account in New York) to be siphoned anywhere.

BBC: Head to Head: Iraq sanctions

However, Mr Clay said in his speech that, as under the Moi regime, much public money continues to be siphoned off through dodgy procurement contracts.

ECONOMIST: Sickening | The

Up-market independents may be siphoned off by Ralph Nader, the consumer advocate and likely Green Party candidate, while down-market ones could drift to Pat Buchanan, the likely Reform Party candidate.

ECONOMIST: The duck-hunting season begins