copier 用英语:

He was busy copying his friend's notebook.

You've left out a word in copying the textbook.

People who are constantly copying others do it because they can't think for themselves.

Ms. Takada accused the boy of copying another student's homework.

A campaign is underway throughout the company to achieve economy in the use of copying paper.

Nothing could be more useful than a copying machine.

In copying this paper, be careful not to leave out any words.

It's your job - you have to copy the documents.

You have to copy the notes after you were absent in school.