a substance which gives something a particular colour when it is present in it or is added to it
发音
例句
1. The Romans used natural pigments on their fabrics and walls. 古罗马人在织物和墙壁上使用天然颜料。 2. Who thought he might know what the skin pigment phenomenon meant. 他自认为可能知道皮肤色素出现这种现象到底是怎么回事。