它是我的钢笔。

It's my pen.

youdao

那不是我的钢笔。它是莉莉的(钢笔)。

That isn't my pen. It's Lily's (pen).

youdao

那不是我的钢笔。它是莉莉的(钢笔)。

That isn't my pen. It's Lily's (pen).

youdao