eindexeumelanin./yoo-mel-uh-nin/US // yuˈmɛl ə nɪn //尤美兰素,尤美拉宁,尤美拉尼,尤美兰因Definitionsn.noun · 名词1. Biochemistry.›a pigment containing melanin, found in bird feathers.Level 4More words in e →