melanin

n (biology 生) dark pigment found in the skin, hair, etc of humans and animals （人和动物的皮肤、 毛发等上的）黑（色）素.

meet up with, meet with, meeting, meeting-house, meeting-place, mega-, megacycle, megadeath, megahertz, megalith, megalithic, megalomania, megalomaniac, megaphone, megaton, meiosis, melancholia, melancholic, melancholy, melange, meld, melee, meliorism, mellifluence, mellifluous, mellifluously, mellifluently, mellow, mellowly, mellowness, melodic, melodious, melodiously, melodiousness, melodrama, melodramatic, melodramatically, melody, melon, melt, meltdown,