He'd watch the broken sine wave of the telephone lines, looping on and on and on for miles, then veering away, then rejoining the bus's path.

他会观察电话线发出的断断续续的正弦波，起起伏伏，绵延数英里，转向别处，然后又重回公交车的路线上。

The cars were supposed to get crushed in the bus' path, but they also needed to be strong enough to slow down the bus.

这些汽车本应在公共汽车的路径上被压扁，但它们也需要足够坚固以减慢公共汽车的速度。