复制器

例句：

1. 1. I copied the recipe from the cookbook.
   我从食谱书上复制了这个菜谱。
2. 2. The teacher asked us to copy the text from the textbook.
   老师让我们从课本上抄写这段文字。
3. 3. Copying the code into a new file is essential for testing.
   将代码复制到新文件中是测试的必要步骤。