trackless trolley bus

例句：

1. 1. The new trackless trolley bus is a great wayto get around the city.
   新的无轨电车是城市内出行的好方法。
2. 2.The trackless trolley bus service isconvenient for those who live in the suburbs.
   无轨电车服务对于住在郊区的人来说很方便。
3. 3. The trackless trolleybus has become a popular mode of transportationin many cities.
   无轨电车已经成为许多城市的流行交通工具。