colouration
🇺🇸
/ˌkʌləˈreɪʃn/
🇬🇧
/ˌkʌləˈreɪʃn/
The way a plant or animal is naturally colored and patterned.
The butterfly's colouration helps it blend in with its surroundings.
蝴蝶的颜色帮助它与周围环境融为一体。