double-decked ferry boat

例句：

1. 1.The double-decked ferry boat was the fastest way to cross the river.
   双层渡轮是过河最快的方式。
2. 2.The double-decked ferry boat was crowded with people waiting to board.
   双层渡轮上挤满了等待登船的人。
3. 3.The double-decked ferry boat was a popular mode of transportation for tourists visiting the city.
   双层渡轮是游客访问该市时常用的交通工具。