piston [ˈpɪstən]

例句:

• Tell the foundry to cast another piston.
  告诉铸铁间再铸一只活塞.
  
• Let's get the lathe to turn the new piston.
  咱们用车床车[加工]新的活塞吧.
  
• They use a piston engine instead.
  他们改用活塞发动机.
  
• It was the first practical engine to use a piston in a cylinder.
  来自BBC
• This device, activated hydraulically, uses piston-driven blades to cut the pipe, thus stopping the flow.
  来自BBC
• The back and forth movement of each piston was translated into rotary motion by a crank shaft.
  来自BBC
• One of the pistons in the engine had jammed.
  引擎上的一个活塞塞住了。
  来自《权威词典》