Perhaps Kipling would say, "Let the jaguar grow melanin."
也许吉卜林会说：“让美洲虎长黑色素。”
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。
As melanin encounters UV light, it turns brown.
黑色素遭遇到紫外光后变成褐色。
Arsenic has no synergistic effect with UV on melanin metabolism.
砷对紫外线的促黑素化作用没有协同效应。
Melanin also plays a role in the development of certain optical nerves.
黑色素同时还在某些视神经的发育过程中发挥作用。
Melanin helps the body filter out UV radiation, but it also can be harmful.
黑色素可以帮助身体过滤紫外线，但它也有害处。
Scientists focused on the pigment melanin, which gives human skin its color.
科学家们集中于研究黑色素，就是他们使人类的皮肤具有颜色。
The damaged skin, inhibit melanin regeneration, promote the microcirculation.
受损肌肤，抑制黑色素再生，促进微循环。
This is responsible for the production of melanin which gives skin and hair its colour.
该基因负责给我们的皮肤和毛发提供黑色素。
The costs of melanin-based plumage and iridescence are clearly different from this.
黑色素翅膀和彩虹色翅膀的代价与上面却完全不同。
Freckles are small bunches of melanin that are visible on individuals with fair skin.
雀斑是在人白皙的皮肤上可以看见的小点黑素。
Albinism: ABsence of the pigment melanin in the eyes, skin, hair, scales, or feathers.
白化病：指双眼、皮肤、毛发、鳞片、羽毛等缺乏黑色素的情况。
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。
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。
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。
Albinism, a group of inherited disorders, results in little or no production of the pigment melanin.
白化病是一组导致黑色素生成不足或无生成的遗传性疾病。
Melanin has an extremely important role- it absorbs UV light and dissipates the UV rays as heat.
黑素有着很重要的作用——它可以吸收紫外线，并可以像释放热量一样驱散紫外线。
Individuals with lower levels of a melanin pigment called eumelanin are likely to have blonde hair.1.
黑色素水平较低的个体(eumelanin)很可能拥有金发。
Melanin, a pigment that gives hair its colour, is light sensitive and also ACTS as a type of conductor.
头发的颜色来源——黑色素，是一种光敏材料同时也是一种导体。
Melanin can be found all over nature from bacteria to humans, with the curious exception of spiders.
从细胞到我们人类，黑素可以说是无处不在。但是有一个惊人例外，蜘蛛。
In people with brown, black and blond hair, the gene, for the melanocortin-1 receptor, produces melanin.
在褐色头发、黑头发和金发的人群中，黑素皮质素受体基因(melanocortin - 1receptor)能分泌黑色素。
Curiously, researchers have also seen melanin in the testes of a variety of species in all vertebrate groups.
奇怪的是，研究者们发现了这种色素存在于各种各样的脊椎动物中。
People with freckles have a normal number of melanocytes; their melanocytes just create clusters of melanin.
有雀斑的人呢，他们的黑色素细胞数量是正常的，只是他们的黑色素细胞产生了一些黑素。
In response to the UV rays frying your inner layer of skin, your body produces more melanin pigment that darkens the skin.
作为对紫外线灼伤内皮层的反应，你的身体会产生更多的黑色素使皮肤颜色变深。
Overall skin coloration is determined by the degree to which cells in the skin called melanocytes produce the pigment melanin.
总的来说，皮肤的颜色是由皮肤中一种叫做黑色素细胞产生黑色素多少而定的。
Melanin is also an antioxidant that can protect the body against reactive oxygen species, harmful compounds that can damage DNA.
黑色素同时也是一种抗氧化剂，能保护身体对抗活性氧簇，一种可以损害dna的有害成分。
People with certain ancestries have the genetic coding to create a lot of melanin in their skin and therefore have dark skin.
某种确定血统的人皮肤中有可以产生很多黑素的基因序列，因此他们的皮肤是黑色的。
People with certain ancestries have the genetic coding to create a lot of melanin in their skin and therefore have dark skin.
某种确定血统的人皮肤中有可以产生很多黑素的基因序列，因此他们的皮肤是黑色的。
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