1·Perhaps Kipling would say, "Let the jaguar grow melanin."
也许吉卜林会说：“让美洲虎长黑色素。”
2·Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin.
大多数人只在沙滩上玩一天或者使用晒黑床一段时间不会被晒成古铜色的皮肤，因为黑色素的合成是需要时间的。
3·The type and amount of melanin your body produces determines the color of your skin, hair and eyes.
你的身体产生的黑色素类型及数量决定你皮肤，头发和眼睛的颜色。
4·A temporary increase in melanin the substance that colors hair eyes and skin is the culprit.
黑色素暂时的增加是罪魁祸首，这种物质让头发、眼睛和皮肤带上色彩。
5·A temporary increase in melanin, the substance that colors hair eyes and skin, is the culprit.
黑色素暂时的增加是罪魁祸首，这种物质让头发、眼睛和皮肤带上色彩。