n.<机>活塞
Tell the foundry to cast another piston.
告诉铸铁间再铸一只活塞.
They use a piston engine instead.
他们改用活塞发动机.
Let's get the lathe to turn the new piston.
咱们用车床车[加工]新的活塞吧.
汉字吧hanzi8.com