typewriter copy

例句：

1. 1. The typewriter copy of the report was sent to the boss for approval.
   报告的打字机副本已发送给老板审批。
2. 2. She copied her friend's homework and handed it in as her own work.
   她抄了朋友的作业并当作自己的作业交上去了。
3. 3. The original manuscript is kept in a safe place, while the typewriter copy is available for immediate use.
   原始手稿被保存在安全的地方，而打字机副本则可供立即使用。