alphabetic puncher

例句：

1. 1. This typewriter is very old and needs to be repaired.
   这台打字机非常旧，需要修理。
2. 2. She used to type all her homework on a typewriter.
   她过去经常用打字机打她的作业。
3. 3. The typewriter was the only way to send letters during the early days of the internet.
   在互联网初期，打字机是发送信件的唯一方式。