撕碎机

例句：

1. 1. The shredder is used to quickly break down paper documents.
   碎纸机用于快速分解纸质文件。
2. 2. The office has a large shredder that can handle all kinds of papers.
   办公室有一个大型的碎纸机，可以处理各种类型的纸张。
3. 3. The shredder was designed to be easy to use and maintain.
   碎纸机设计得易于使用和维护。