cheese of paraffin

例句：

1. 1. The wax seal was used to protect the document during transportation.
   蜡封被用来在运输过程中保护文件。
2. 2.Paraffin is a solid material that melts at high temperatures.
   石蜡是一种在高温下熔化的固体材料。
3. 3. Paraffin is commonly used as a lubricant in machinery and equipment.
   石蜡常被用作机械和设备的润滑油。