这辆班车每天在工厂和宿舍之间往返接送工人。

The ___shuttle bus runs between the factory and the dormitory to transport workers daily.

机场提供免费班车到市中心。

The airport offers a free ___shuttle to the city center.

织布工人快速地在经线间移动梭子。

The weaver moves the ___shuttle quickly between the warp threads.