例句與造句

1. Today the civilian police spend a lot of time unscrambling choking traffic jams when the signals black out, which they do almost daily.
2. The gyroscope and sensor system in the car is called " dead-reckoning, " and uses feedback from the sensors to fine-tune the system, especially when satellite signals black out temporarily in tunnels or canyonlike downtown streets.
3. It's difficult to find signal black in a sentence. 用signal black造句挺難的