飞往纽约的航班上有200名乘客，开往芝加哥的火车也满员了。

There were 200 passengers ___on ___board the flight to New York, and the train to Chicago was also full.

那是我第一次搭乘如此大型的游轮，体验非常棒。

It was my first time ___on ___board such a large cruise ship, and the experience was amazing.

所有人安全登上渡轮后，船长便开始了穿越湖泊的航程。

Once everyone was safely ___on ___board the ferry, the captain began the journey across the lake.