The turning disc is connected by a drive belt to an electric motor.
转盘与电动马达之间由一条输送带连接。
《柯林斯英汉双解大词典》
2
A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
机身上的圆盘形整流天线能接收地面传输的微波能，将其转化为直流电为飞机推进器上的电动机供能。
3
When light waves were projected onto the disc, the direction of the electric field within the waves aligned with the gold nanorods.