siphon

n. 虹吸管
vt. 用虹吸管吸出或排出

She siphoned off profits from the business into her account.

她把企业的赢利转到了自己的帐户上。

If you're short of petrol you can siphon off a gallon from my tank.

如果汽油不够，你可以从我的油箱中用虹吸管吸一加仑去。