轮轴的英文：
axle
The axle doesn't work smoothly. It needs oiling
轮轴发涩,该上油了。
The wheel turns when its axis moves.
"轮轴动时,轮子也跟着转动。"
The flow of air through the fan is substantially parallel to the impeller axis
通过风机的气流基本上是与叶轮轴平行的。
An axle or journal box, as on a railway car, that has become overheated by excessive friction.
热轴由于过分摩擦而变得过热的轮轴或轴颈箱，如火车上的
n. 轮轴，车轴
They weld the pieces of a broken axle.
他们焊接断了的车轴。
The mechanic greased the car's axle.
机械工给汽车轴上了润滑油。
Thus a wheel revolves on its axle.
于是，轮子在轴上旋转。
A common example is the axle on a horse-drawn wagon. Live axles are attached to the wheel so that Both the wheel and the axle rotate together.
最常见的例子就是在马车上所见到的非断开式车桥。断开式车桥与车轮相连,这样两者一起转动。
The garage mechanic found a crack in the back axle of the car.
汽车修理厂的机修工发现汽车的后车轴上有一条裂缝。