oilcolours

例句：

1. 1. The artist used a variety of oilcolours to create the painting.
   艺术家使用了各种油画颜料来创作这幅画。
2. 2.The children were fascinated by the vibrant colours of the oilcolours on the walls.
   孩子们对墙上油画颜料的鲜艳色彩着迷了。
3. 3. The teacher explained how to mix different oilcolours for a more vibrant effect.
   老师解释了如何混合不同的油画颜料以达到更鲜艳的效果。