例句與造句

1. He integrates fast running between the drills, calling his approach circuit training.
2. The NTSB's investigation placed the fault of the collision on Stokes and his failure to yield at the grade crossing, but the investigation by the Illinois State Police found that the train detection system had failed to detect the fast-moving ( 79 mph ) Amtrak train at the beginning of the approach circuit and turn on the flashing lights and gates for the federally required 20 seconds.
3. It's difficult to find approach circuit in a sentence. 用approach circuit造句挺難的