pinion [ˈpɪnjən]

例句:

• Why don't you try tightening the pinion nut first?
  你为什么不先扭紧小齿轮的螺帽?
  
• He is held with his arms pinion together behind his back.
  他被捉住反剪著双臂.
  
• The two differential - pinion gears mesh with these two side gears.
  两个行星齿轮与这两个半轴齿轮相啮合.
  
• I had a bag of Pinion Nuts in the cuppboard, which they completely avoided.
  来自SA
• You name it, they have run a railway up it, by hook or by crook, by rack or by pinion and by Albula and St Moritz.
  来自BBC