他有支钢笔，钢笔是黑色的。

He has a pen, and the pen is black.

youdao

我买了一支钢笔，这支钢笔的颜色是红蓝相间的。

I bought a pen. The pen is blue and red.

youdao

这不是你的钢笔，是我的钢笔。

It is not your pen, but my pen.

youdao

It's almost like sitting with the pencil, or the pen, or perhaps the keyboard.

就好比是，坐着，手中拿着铅笔，或钢笔，或是键盘。

普林斯顿公开课 - 人性课程节选

We will equip Jordan, meanwhile, Jordan with a keyboard or an old-school pen.

同时，用一个键盘，或守旧派钢笔来装备。

哈佛公开课 - 计算机科学课程节选