throttling governing

例句：

1. 1. The traffic police are throttling the flow of cars through the city center.
   交通警察正在限制市中心车辆的流动。
2. 2. The company is throttling its spending to save money.
   该公司正在限制其支出以节省资金。
3. 3. The engine was throttling because it had been idling for too long.
   发动机因为长时间怠速而减慢了。