用钢笔来写 To write with a pen ; Writes with the fountain pen
一支被用来写的钢笔 A pen used to write
用来钢笔
For pen
以上为机器翻译结果，长、整句建议使用 人工翻译 。
钢笔被用来写字。
Pens are used for writing.
youdao
粉笔是用来在黑板上写字，而钢笔是用来在纸上写字的。
Chalk is used to write on the blackboard while a pen on paper.
这是我用来写信的钢笔。
This is the pen with which I write letters.
应用推荐
模块上移
模块下移
不移动