因此，职业、昵称、家乡和父亲的名字就用来当作姓氏——例如，富勒特彻和史密夫，利德·希特和斯福特，格林和皮克灵，威肯斯和约翰逊。

So trades, nicknames, places of origin, and fathers' names became fixed surnames - names such as Fletcher and Smith, Redhead and Swift, Green and Pickering, Wilkins and Johnson.

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利用皮肤细胞作为“油墨”，人的身体做“纸”，北卡罗来纳州温斯顿-萨勒姆，威克森林大学医学院的詹姆士·柳（James Yoo），已经设计了一个可以研究烧伤的“打印机”。

Using skin cells as ink and a human body as paper, James Yoo of Wake Forest University School of Medicine in Winston-Salem, North Carolina, has designed a printer that can analyze a burn.

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“没人知道山的另一边是什么，”现年44岁的艾斯克·威勒斯列夫说。

"Nobody knew what you would see on the other side of a mountain," said Eske Willerslev, who is now 44.

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