throttle plate

例句：

1. 1. The car's engine needs to be throttled down for better fuel efficiency.
   为了提高燃油效率，汽车的引擎需要调低。
2. 2.The pilot adjusted the throttle plate to slow down the plane.
   飞行员调整了节流板来减缓飞机的速度。
3. 3. During the race, the driver had to throttle his car carefully to avoid hitting a pedestrian.
   在比赛中，驾驶员必须小心翼翼地调节他的车速，以避免撞到行人。