Previous studies of human skin had used either male or female subjects and had only examined one skin area.

过去的研究选取的受试者只是男性或女性，而且进检测了皮肤的一个区域。

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"One skin cycle takes 30 days (for new cells to reach the top layer of skin), so in order to see a real difference in texture, tone, and clarity, you need to use it for more than a month," she says.

因为一次皮肤循环，也就是新细胞抵达皮肤表层的时间，需要30天左右，所以要想看到肤质、光泽度和清透度明显改观，应该坚持使用新品至少一个月。

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One day, I noticed a lump on her skin.

有一天，我注意到她皮肤上有个肿块。

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America's National Cancer Institute reports that more than one million people in the United States developed skin cancer last year.

VOA: special.2010.07.06

This is one example of that: this is actually artificial skin.

举例来说,这是一张真正的人造皮肤

耶鲁公开课 - 生物医学工程探索课程节选

If I looked within the skin, one of the lower layers of your skin, the connective tissue layer, you'd find many fibroblasts there and they're just waiting in a more rounded shape than this, just waiting to do their job.

如果观察皮肤,更深处的一层细胞,结缔组织层,就能看到许多成纤维细胞,它们平时形状接近圆形,时刻准备着去完成自己的任务

耶鲁公开课 - 生物医学工程探索课程节选

Yet, as legend goes, there is more than one way to skin a cat.

FORBES: Magazine Article

Volunteers were asked to look away while a researcher put a bug on one of the skin patches.

ECONOMIST: Body hair

Bathing is important for removing germs from one's skin as well as washing away odors from sweat and dirt.

CNN: Is bathing just once a week healthy?