n. someone employed to clean and maintain a building
n. 守卫, 门警, 管理人
[医] 幽门
1. The janitor cleans the school every evening.
清洁工每天晚上打扫学校。
2. I saw the janitor fixing a broken window.
我看到清洁工在修一个坏掉的窗户。
3. The janitor keeps the restrooms tidy and stocked with supplies.
清洁工保持洗手间整洁,并补充用品。