他是色盲，很难区分红色和绿色。

He's colour-blind and can't ___distinguish between red and green easily.

你能区分西班牙语和葡萄牙语吗？

Can you ___distinguish Spanish from Portuguese?

他独特的风格使他与其他艺术家区分开来。

His unique style ___distinguishes him from other artists.