n.齿轮( gear的名词复数 )；装备；挡；（做某事的）速度 双语释义：n.(名词)[U]用具,设备; 衣服 equipment, clothing, etc. needed for an expedition, a sport, etc.[P]齿轮; 传动装置; (排)挡 set of toothed wheels which fit into another set to transmit power from a vehicle's engine to its road wheelsv.(动词)v