The bugs, which are less than a millimetre long, feed on scales of human skin and produce allergens which are easily inhaled during sleep.

这些体长不超过一毫米的虫子以人类皮肤的鳞屑为食，并且产生的过敏原在睡眠时很容易被吸入。

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Vestiges such as the stumpy wings of flightless birds, and the hairs that prickle on human skin, are further testimony to our shared origins.

像不能飞行的鸟类的株状的翅膀，还有人类皮肤的毛发，这些都是我们有共同的祖先的证据。

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Human skin can be many different colors and it changes with the sun, our feelings or our health.

人类的皮肤可以有许多不同的颜色，它会随着太阳、我们的感觉或我们的健康状况而变化。

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"And that was in direct contrast with the c-section babies, who harbored bacterial communities that resembled human skin, but not their own mother's human skin any more than any of the other mothers in the study."

VOA: standard.2010.06.30

like skin, the skin of the book. It's human skin,

皮肤，书的皮肤，是人皮，

布朗的宿舍公寓 - SpeakingMax英语口语达人

One way I could try to find the gene for human insulin is to take any cells from any of us, skin cells let's say, and I could identify where on the chromosomal DNA that insulin is likely to occur.

我能找到胰岛素基因的一个方法,是从任意一个人身上任意取一些细胞,比如说皮肤细胞,并且我知道胰岛素基因,可能出现在染色体DNA的哪一部分

耶鲁公开课 - 生物医学工程探索课程节选

Gail Naughton grows livers in the laboratory, and human skin in a tiny purse.

FORBES: Advanced Tissue Sciences Founder Wins Inventor Award

It will primarily be used to scan objects such as vehicles - but is unable to detect human skin.

BBC: Long-distance 3D laser camera unveiled by Edinburgh team

Texas Chainsaw 3D is the seventh film in the horror franchise, featuring an antagonist called Leatherface, who wears a mask made of human skin.

BBC: The Hobbit chased off by Chainsaw