shuttle

n. 穿梭,往返移动之物
v. 使...穿梭移动

We shuttled the passengers to the city center by helicopter.

我们来来回回地用直升机把旅客运送到市中心。

There is a shuttle service between the city center and the air station.

在市中心和飞机场之间有往返的穿梭运行班车。