sealing paper

例句：

1. 1. This is the only way to ensure that the package is sealed properly.
   这是确保包裹正确密封的唯一方法。
2. 2.The sealing tape was used to secure the box before it was shipped.
   在打包发货前，使用了密封带来固定盒子。
3. 3. She carefully placed the sealing strip on the envelope to prevent tampering.
   她小心翼翼地将密封条放在信封上以防止篡改。