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BNC: 38823 COCA: 27359
melanin
melənɪn ˈmɛlənɪn
N-UNCOUNT 黑色素 Melanin is a dark substance in the skin, eyes, and hair of people and animals, which gives them colour and can protect them against strong sunlight. 黑色素
Trends of melanin
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BNC: 38823 COCA: 27359
BNC: 38823 COCA: 27359
BNC: 38823 COCA: 27359

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