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单词 melanin
释义
N30044171melaninSpoken.15Fiction.21Magazine.102Newspaper.10Academic.23

melanin

/ˈmelənɪn/
noun
mass noun
a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.
黑(色)素。
词源
mid 19th cent.: from Greek melas, melan- 'black' + -IN1.
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