Duluth

例句：

1. 1.Duluth is a city in Minnesota, USA.
   杜鲁特是美国明尼苏达州的一座城市。
2. 2. The Duluth Shipyard was once the largest shipyard in the world.
   杜鲁特造船厂曾是世界上最大的造船厂。
3. 3. Duluth is known for its beautiful beaches and outdoor activities.
   杜鲁特以其美丽的海滩和户外活动而闻名。