A substance that imparts color to a material by absorption or bonding.

• A coloring agent for textiles, hair, leather, or food.

通过吸附或键合使材料着色的物质。

• 用于纺织品、头发、皮革或食品的着色剂。

To impart color to by applying a dye.

• To tint or stain textiles, hair, leather, or other materials.

用染料使其着色。

• 给纺织品、头发、皮革等材料染色。