pinion是什么意思音标:英 [ˈpɪnjən]美 [ˈpɪnjən]

n. 鸟翼, 翅膀, 翅前翼, 羽毛, 小齿轮
vt. 剪断翼尖, 绑住...两臂

n. a gear with a small number of teeth designed to mesh with a larger wheel or rack
v. bind the arms of
v. cut the wings off (of birds)

pinion的用法和例句：

1.Causing the pinion ring to engage the secondary drive gear.

所以小齿轮 直接带动了辅助驱动齿轮

2.We guarantee every pinion, spindle, sprocket for the pfe of the machine.

就是我们会保证机器 每个小齿轮 主轴 链轮的使用寿命