cam train

例句：

1. 1. The camtrain is scheduled to arrive at the stationat 9:00 AM.
   这列火车定于上午9点到达车站。
2. 2.He boarded the cam train andtook his seat in the first-classcompartment.
   他登上了这列火车，并在一等舱的座位上坐下。
3. 3. Thecam train was a popular mode of transportationduring the early 20th century.
   在20世纪初，火车是一种受欢迎的交通工具。