The engineer measured the kinetic energy of the rotating wheel.

工程师测量了旋转轮子的动能。

The circumferential force generated by the rotating wheel helps the vehicle move forward.

车轮在转动时产生的圆周力帮助车辆前进。

A firework that forms a rotating wheel of colored flames.

彩色焰火一种烟火,可形成转动的彩色火轮.