钢笔的单词

1、Use a black pen on white paper to ensure good reproduction.
用白纸黑笔，以确保复印清晰。
2、Please write in pen on both sides of the paper.
请用自来水笔在纸的正反两面书写。
3、Go and get me a pen please.
请你去给我拿支钢笔来。