你想要个金发女郎，还是个浅黑色皮肤的？
列车一路停站多多，在一次停站时，他看着上上下下的旅客，最后把目光落在一个漂亮的浅黑色皮肤的姑娘身上。
At one of the numerous station stops, he eyed the passengers getting on and off before fixing on an attractive brunette.
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。
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.
关于防晒霜是否能有效减少黑色素瘤，争议仍然存在——相较于预防其他皮肤癌，防晒霜能减少黑色素瘤的证据还不充分。
There is continuing debate as to how effective sunscreen is in reducing melanomas—the evidence is weaker than it is for preventing other types of skin cancer.
毛皮之下，我们有黑色的皮肤。这有助于我们吸收太阳的热量。
Under our fur, we have black skin. This helps us take in the sun's heat.
小女孩的双颊红扑扑的，棕黑色的皮肤在阳光下闪闪发光。
The youngster's cheeks were in such a glow that it showed even through her sun-browned skin.
一般是深色或黑色颜料，比如把烟灰搓进刺破的皮肤中。
Usually a dark or black pigment such as soot was introduced into the pricked skin.
我们所知的关于这个人的外形特征只有一个：他的皮肤是黑色的。
We are left with a single physical detail of the man-namely, that his skin was dark.
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。
In response to the UV rays frying your inner layer of skin, your body produces more melanin pigment that darkens the skin.
在皮肤开始变黑之前，黑色素就有可能提供最及时的紫外线防护。
This is likely to provide rapid protection against UV damage, long before the skin starts to tan.
卷曲的黑头发，棕色皮肤，黑色的大眼睛，好看的鼻子，牙齿洁白，手脚不大，比我略高，显得温文尔雅，不乏风趣。
Curly black hair, brown skin, big black eyes, handsome nose, fine teeth, small hands and feet, taller than I am, very polite, for a boy, and altogether jolly.
她身上裹着白底蓝条的小毯子，皮肤有些黑，头发几乎是黑色的，让我想起了她的妈妈。
She was wrapped in a white blanket with bluestripes. Her skin was dark; her hairalmost black.
“我想让她们能在这些娃娃中看到自己，并让她们知道黑色皮肤是漂亮的。”她说。
"I want them to see themselves within these dolls, and let them know that black is beautiful," she said.
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。
A temporary increase in melanin the substance that colors hair eyes and skin is the culprit.
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.
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。
The type and amount of melanin your body produces determines the color of your skin, hair and eyes.
她有着幽灵般苍白的皮肤和长长的灰白头发，穿着黑色工装裤。
She has spectrally pale skin and long grey-white hair, and is wearing black dungarees.
患有黑色棘皮症的患者，可能会自然而然地在意皮肤的外观。
With acanthosis nigricans, you may naturally be concerned about the appearance of your skin.
2008年举行活动这天确诊的病例中，3000多例为基底细胞癌(非黑色素瘤类)，354例为恶性黑色素瘤，这是最致命的皮肤癌类型。
Of the cases identified on the campaign day in 2008, more than 3000 were basal cell carcinomas (non-melanomas) and 354 were malignant melanomas, the most deadly type of skin cancer.
然而，尽管皮肤黑色的人中皮肤癌发病率较低，但癌症往往发现得比较晚，且已进入更加危险的阶段。
However, even though the incidence of skin cancer is lower in dark-skinned people, the cancers are often detected at a later, more dangerous stage.
它那有光泽的黑色皮肤看上去就像是抛光的皮革，稀疏的分布着黄红相间的条纹。
Its shiny black skin looks like polished leather, and is banded with thin stripes of yellow and scarlet.
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。
Overall skin coloration is determined by the degree to which cells in the skin called melanocytes produce the pigment melanin.
研究人员还不能确定为何会出现这种情况，不过他们建议，应该把雌激素和皮肤黑色素的潜在保护作用作为可能的原因进行调查。
Researchers are not sure why, but they suggested that the potential protective effects of the female hormone estrogen and the skin pigment melanin should be investigated as potential reasons.
如果你的皮肤呈黑色或是古铜色，选珊瑚色搭配浅金色，绝对会让你肌肤焕发迷人光彩。
If you have very dark or bronze skin, opt for a coral with gold undertones and it will really make your skin glow.
就算你的皮肤是不会显示出自然粉色的黑色或橄榄色也没关系，粉色会为双颊的酒窝增加一抹暖色，也给你的笑容增添更多的内容，不过注意颜色要混合均匀。
Even if you have very dark or olive skin that doesn’t show a natural blush, the tone will add warmth and definition to the apple of your cheek, just remember to blend well.
每当这时我都深深地为此着迷，却也感到一丝尴尬——在场边的这个女人，作为白人女性使他的黑色皮肤更加明显。
In moments like this I felt hypnotized but also uncomfortable — the woman on the sidelines, the white woman objectifying the body of her black man.
该病尚无特异而有效的治疗方法——但是对基础疾病的治疗，例如对糖尿病和肥胖的治疗，有可能使皮肤受累处的黑色消退。
There's no specific treatment for acanthosis nigricans - but treating any underlying conditions, such as diabetes and obesity, may cause the changes in your skin to fade.
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。
Scientists focused on the pigment melanin, which gives human skin its color.
在视网膜中也能发现这些感光物质。它们能迅速刺激皮肤黑色素的生成，保护人体不受太阳光线的伤害。
These light receptors - which are also found in the retina of the eye - immediately prompt the release of melanin, the body's own form of sun protection.
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