Leatherbacks do not have blubber, but they do have a reptilian equivalent: thick, oil-saturated skin, with a layer of fibrous, fatty tissue just beneath it.

棱皮龟没有鲸脂，但它们有和爬行类动物相似的结构：厚且含油的皮肤，下面有一层纤维，再下面是脂肪组织。

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They have developed a device that can act as an ecg-or its cranial equivalent, an electroencephalograph-without even touching the skin.

他们已经开发一种仪器，像ECG——或头戴式的同种仪器，脑电图仪一样工作——但完全不需要触到皮肤。

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Theoretical estimate of neutron fluxirradiation includes the dose equivalent of fast flux, thermal flux and fast flux at the skin and their total amount.

中子束辐照的理论估算包括快中子、热中子和快中子表皮剂量当量的确定及总剂量的范围。

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First came the remarkable work of Shinya Yamanaka at Kyoto University, who showed it was possible, by activating just four genes, to take a mature cell (he used a bit of skin but other cells would work) and turn it into the equivalent of an embryonic stem cell with the potential to become any other cell in the body of mouse or human.

FORBES: Cells Get a Makeover, Cancer Follows: A Path to New Therapies (and a Warning to Stem Cell Alchemists)