free on steamer

例句：

1. 1.The ship is free to sail wherever the wind takes it.
   这艘船可以随风而动，自由航行。
2. 2. The passengers were free to explore the city on their own.
   乘客们可以自由地探索这座城市。
3. 3.The crew was free to work without supervision.
   船员可以自由工作，无需监督。