primary colour
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌprimary ˈcolour noun [countable] CCone of the three colours red, yellow, and blue, which you can mix together to make any of the other colours 原色,基色〔指红、黄、蓝三色〕
Examples from the Corpus
primary colour• Eight bit-planes per memory bank allows 256 levels of the associated primary colour to be represented.• This type of pattern is usually white with each smaller diamond in the same bright primary colour.ˌprimary ˈcolour nounChineseSyllable
three red, which Corpus yellow, and the blue, of one colours
primary colour
ˌprimary ˈcolour
noun [countable]
one of the three colours red, yellow, and blue, which you can mix together to make any of the other colours
ˌprimary ˈcolour
noun [countable]one of the three colours red, yellow, and blue, which you can mix together to make any of the other colours