mail cutter

例句：

1. 1. This mail cutter can quickly and efficiently cut through thick envelopes.
   这台邮件切割机可以快速而有效地剪开厚厚的信封。
2. 2. The mail cutter was designed to make sorting mail more efficient.
   这台邮件切割机被设计来使邮件分类更加高效。
3. 3. The mail cutter is a crucial tool for businesses that handle large volumes of mail.
   这台邮件切割机对于处理大量邮件的企业来说是一个至关重要的工具。