例句與造句

1. Finally, the ball is pushed upward by two wheels located at the head of the ball return track, where it is deposited.
2. At the top of the other tower the vehicle was switched to a return track or " switched back " ( hence the name ).
3. Because the side streets are so narrow, the Queens-bound track was to run under 59th Street and the return track under 60th Street.
4. Passengers climbed to the top of a platform and rode a bench-like car down the track up to the top of another tower where the vehicle was switched to a return track and the passengers took the return trip.
5. It's difficult to find return track in a sentence. 用return track造句挺難的