bogmaster combine

例句：

1. 1. The bogmaster has been working on clearing the swamp for years.
   沼泽管理者多年来一直在清理沼泽。
2. 2. The bogmaster was responsible for maintaining the health of the swamp.
   沼泽管理者负责维护沼泽的健康。
3. 3. The bogmaster had to deal with a lot of challenges while clearing the swamp.
   在清理沼泽时，沼泽管理者遇到了很多挑战。