fleet train

例句：

1. 1. The fleet of ships in the harbor is impressive.
   港口里的船只舰队令人印象深刻。
2. 2.They took a fast train to get to the city.
   他们乘坐快速列车前往城市。
3. 3.The speedboat was used for transportation during the war.
   在战争期间，快艇被用于运输。