Long-ago builders could have attached wooden poles to the stones and rolled then across the sand, the scientists say.

科学家们说，很久以前的建筑工人也许是在石头上绑上木杆，然后在沙子上滚动。

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The conservatives who say, "Let us not move so fast," and extremists who say, "Let us go out and whip the world," would tell you that they are as far apart as the poles.

那些说“让我们别走那么快”的保守派，和说“让我们出去鞭笞世界”的极端派，会告诉你他们之间就如南北极一样远。

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The Poles, who agreed to drop their veto of a new PCA in return for a lifting of the meat ban, say they must honour their side of the deal they struck with Russia.

波兰人同意只要俄罗斯解除对其肉制品的进口禁令就支持重开谈判，如波兰人所说他们会遵守与俄罗斯达成的协议。

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The Poles say they would face huge cuts in their dairy herd.

ECONOMIST: Enlarging the European Union

He says he did not want to damage Poland's bid to join the European Union, so he decided to wait until after last December's Copenhagen summit, when the country was formally invited to join, all being well, next year provided the Poles say yes in a referendum in June.

ECONOMIST: Poland's government

Give us more aid, the Poles are likely to say, or more time to upgrade our factories to rich-country standards.

ECONOMIST: Unfinished business