light boat

例句：

1. 1.The light boat was the first to reach the island.
   轻舟是第一个到达岛屿的。
2. 2.They took a light boat to cross the river.
   他们乘一艘快艇过河。
3. 3.The light boat was used for sightseeing tours.
   轻舟用于观光旅游。