详细解释:n. 切菜器, 碎纸机
英语解释：
名词 shredder:
a device that shreds documents (usually in order to prevent the wrong people from reading them)详细解释：
shred.der
n.（名词）One that shreds.切碎机，粉碎机A device used for shredding documents, often as a security measure to prevent unapproved persons from reading them.碎纸机：用以切碎文件的机器，常用作避免未经授权的人得以阅读该文件的安全措施