pad keeper

例句：

1. 1. The pad keeper was responsible for ensuring the safety of all visitors.
   垫子保管员负责确保所有访客的安全。
2. 2.The pad keeper had to check each visitor's belongings before they could enter the room.
   垫子保管员在访客进入房间之前，必须检查他们的随身物品。
3. 3.The pad keeper was assigned to keep track of the number of visitors in the museum.
   垫子保管员被分配到博物馆，负责记录参观人数。