我有两只钢笔，他们是红色的。

I have two pens. They are red.

youdao

我有两只钢笔，一支是新的，另一只是旧的。

I have two pens, one is new, the other is old.

youdao

我有一个非常漂亮的铅笔盒，里面的学具都是五颜六色的，里面有蓝色的橡皮，三支白色的钢笔，一只黑色的圆珠笔，有一把粉红色的尺子和两只绿色的铅笔，我非常喜欢它们！

I have a beautiful pencil case, the inside of the study are colorful, there is a blue rubber, three white pen, a black ball point pen, have a pink ruler and two green pencil, I like them very much!

youdao

我有一个非常漂亮的铅笔盒，里面的学具都是五颜六色的，里面有蓝色的橡皮，三支白色的钢笔，一只黑色的圆珠笔，有一把粉红色的尺子和两只绿色的铅笔，我非常喜欢它们！

I have a beautiful pencil case, the inside of the study are colorful, there is a blue rubber, three white pen, a black ball point pen, have a pink ruler and two green pencil, I like them very much!

youdao