palatum

例句：

1. 1. The ancient Egyptians used a palatum to protect their mummies during burial.
   古埃及人使用蜡封来保护他们的木乃伊在埋葬期间。
2. 2. The museum exhibits various types of palatums from around the world.
   博物馆展示了来自世界各地的各种类型的蜡封。
3. 3.The palatum on the envelope is meant to keep the contents safe until it's opened.
   信封上的蜡封是为了确保内容物在打开前保持安全。