驿车号

例句：

1. 1. The postman delivered the mail at the post office on Saturday.
   邮递员周六在邮局投递邮件。
2. 2. We need to find our way back to the station by bus.
   我们需要找到公交车回到车站。
3. 3. The train was delayed due to a technical issue with the locomotive.
   火车因机车技术问题而延误。