This is true of all colours and the second colour used in a treatment is known as the complimentary colour.

这适用于所有的颜色，用在治疗中的第二个颜色被认为是主光的补色。

youdao

This is true of all colours and the second colour used in a treatment is known as the complimentary colour.

这适用于所有的颜色，用在治疗中的第二个颜色被认为是主光的补色。

youdao