我有一支新铅笔。

I have a new pencil.

youdao

我有一支新钢笔，这支钢笔在我的铅笔盒里。

I have a new pen. The pen is in my pencil case.

youdao

我有一支新钢笔，这支钢笔在我的铅笔盒里。

I have a new pen. The pen is in my pencil case.

youdao