Curiously, researchers have also seen melanin in the testes of a variety of species in all vertebrate groups.(奇怪的是，研究者們發(fā)現(xiàn)了這種色素存在于各種各樣的脊椎動物中。)

Albinism, a group of inherited disorders, results in little or no production of the pigment melanin.(白化病是一組導(dǎo)致黑色素生成不足或無生成的遺傳性疾病。)

Perhaps Kipling would say, "Let the jaguar grow melanin."(也許吉卜林會說：“讓美洲虎長黑色素。”)

A temporary increase in melanin, the substance that colors hair eyes and skin, is the culprit.(黑色素暫時的增加是罪魁禍?zhǔn)祝@種物質(zhì)讓頭發(fā)、眼睛和皮膚帶上色彩。)

Overall skin coloration is determined by the degree to which cells in the skin called melanocytes produce the pigment melanin.(總的來說，皮膚的顏色是由皮膚中一種叫做黑色素細(xì)胞產(chǎn)生黑色素多少而定的。)

As melanin encounters UV light, it turns brown.(黑色素遭遇到紫外光后變成褐色。)

The type and amount of melanin your body produces determines the color of your skin, hair and eyes.(你的身體產(chǎn)生的黑色素類型及數(shù)量決定你皮膚，頭發(fā)和眼睛的顏色。)

Scientists focused on the pigment melanin, which gives human skin its color.(科學(xué)家們集中于研究黑色素，就是他們使人類的皮膚具有顏色。)

Individuals with lower levels of a melanin pigment called eumelanin are likely to have blonde hair.1.(黑色素水平較低的個體(eumelanin)很可能擁有金發(fā)。)

Melanin has an extremely important role- it absorbs UV light and dissipates the UV rays as heat.(黑素有著很重要的作用——它可以吸收紫外線，并可以像釋放熱量一樣驅(qū)散紫外線。)