throttle clevice

例句：

1. 1.The car's engine throttled down as the driver slowed down.
   随着司机减慢速度，汽车的引擎开始节流。
2. 2. The engineer adjusted the throttle to increase the speed of the train.
   工程师调整节流阀以增加火车的速度。
3. 3.The pilot throttled back the engines to conserve fuel.
   飞行员节流发动机以节省燃料。