“齿轮”的拼音？

“齿轮”的英语可以翻译为：gear [rack，toothed] wheel，(toothed) gear，wheel gear，gear wheel ...

齿轮互相啮合.The teeth of the wheel gear into each other.这个大齿轮带动小齿轮使滚筒旋转.This large gear turns the small one to rotate the cylinder.天气冷时齿轮润滑油可能凝结而形成凹槽.Gear lubricants may congeal and channel in cold weather....