colour既是可数名词又是不可数名词
1.(可数名词,不可数名词)颜色色彩
(1)What's your favourite colour?
你最喜欢的颜色是什么
(2)available in 12 different colours
有12种不同的颜色可供挑选
(3)the colour of the sky
天空的颜色
(4)Her hair is a reddish-brown colour.
她的头发是棕红色的.。
(5)to add/give/lend colour to sth (= make it brighter, more interesting, etc.)