双语例句：
Sound travels better in water than in air.
声音在水中比在空气中传播得快。
I've always had a yen to travel around the world.
我一直非常渴望周游世界。
I go to bed early if I'm travelling the next day.
如果第二天去旅行我就早睡。
Flying is quite the best way to travel.
航空绝对是最佳旅行方式。
When I finished college I went travelling for six months.
我大学毕业后在外旅行了六个月。
We lost our money when the travel company went bust.
旅行社破产，我们的钱都赔了进去。