渡轮

例句：

1. 1. We took a ferry to cross the river.
   我们乘渡船过河。
2. 2. The captain ordered the crew to repair the ship's engine.
   船长命令船员修理船的引擎。
3. 3. The old man sat on the dock, watching the boats go by.
   老人坐在码头上，看着船只驶过。