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.
蝴蝶的顏色幫助它與周圍環境融為一體。