n.虹吸管
v.用虹吸管吸出或排出；转移（钱）
A liquid is made to flow through a siphon. 使液体通过虹吸管。
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。
虹吸作用
