柯林斯词典axle /ˈæksəl/ (axles) 1. N-COUNT An axle is a rod connecting a pair of wheels on a car or other vehicle. 輪軸 返回 axle剑桥词典a bar connected to the centre of a circular object such as a wheel that allows or causes it to turn , especially one connecting two wheels of a vehicle 軸；車軸 返回 axle