But now physicists in the US have shown how to induce lasing in a single living biological cell.

但是现在美国的科学家已经知道怎么用一个活着的生物细胞激发出激光。

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Now we understand why we have not seen a single living elephant, or a sign of one, in the eight days since we entered the park.

现在我们才明白为什么我们一路走来就没有看到过一头活生生的大象，连一处痕迹都没有，要知道我们进入园区都已经8天了！

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At a Starbucks not far from Shanghai's People's Park, the founders of one such club, which boasts more than 1,000 members, met on a hot summer night to talk about single living in Shanghai.

在离上海人民公园不远的一个星巴克，就有一个这样的俱乐部，它的创始人自豪地说说俱乐部会员有1000多人。在一个炎热的夏季的夜晚，她们相聚并讨论各自的游走在上海的单身生活。

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The Moravians spoke German, and their community was religiously based, with single men and single women living apart in what were called choirs or separate dormitories.

VOA: standard.2010.03.18

That was the single aim of my living.

这是我活着的唯一追求，“

耶鲁公开课 - 1945年后的美国小说课程节选

Five years ago,the world witnessed the biggest single natural disaster in living memory.

VOA: standard.2009.12.26

To be sure, there are variations on single living that can be communal.

WSJ: Looking Out for No. 1 - WSJ Mansion

With only thirty pages left to go, it is suddenly obvious that they are all dead, except for one, but the identity of that single living character is never revealed.

NEWYORKER: ?lvaro Rousselot��s Journey

Coral reefs are home to 25 percent of the world's marine fish species, and cover 1 percent of the Earth's surface, making them the largest single living structure on Earth.

CNN: All About: Coral Reefs