如果你在测试中发现的颜色少于20种，那么你就是二色视者。

If you spot less than 20 colours in the quiz, then you are a dichromat.

youdao

如果你在测试中发现的颜色少于20种，那么你就是二色视者。

If you spot less than 20 colours in the quiz, then you are a dichromat.

youdao