Dr Catherine Hobaiter, who led the research, said that this was the only form of intentional communication to be recorded in the animal kingdom.

领导这项研究的凯瑟琳·霍拜特博士说，这是动物王国中唯一被记录的有意图的交流方式。

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You might create a two-way form that contains data to which only one user in the interaction should be privy.

您可以创建这样一个双向表单：只有交互中的一个用户能够访问表单数据。

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These transitions occur frequently but only require a one-time conversion cost and thereafter can be obtained in the efficient form.

这些转化是很频繁的，然而其转化代价却是一次性的，之后就可以以有效形式获取。

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If I'm talking about two DNA strands and they differ only in one or two base pairs they won't be exact complements and they won't form this double helix.

假设有两条DNA单链,有一两个碱基不能配对,它们就不能完全互补,也无法形成双螺旋形结构

耶鲁公开课 - 生物医学工程探索课程节选

It would be great if the word (economic) cycle only existed in a singular form, and the only cycle we had in the economy was happy expansion.

FORBES: Chinese Quest For Shortcut To Greatness

In the 4th century, Emperor Constantine founded a church on the site, which was destroyed in the year 529, only to be replaced by larger structures, which form the basis of the church today.

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However, amyloid may be only one factor in Alzheimer's, and growing evidence shows that plaques form relatively late in the disease process, leading some scientists to think that attacking amyloid once the clumps have already formed is too late.

WSJ: For Alzheimer's, a Fork in the Road