科学家们说，很难预测这样一场风暴。

Scientists say that little can be done to predict such a storm.

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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。

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

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其中约80%的谷物来自谷类作物，例如大麦，另有约10%为小块的根茎，包括百合的根茎，科学家们说，这会让啤酒更甜。

The majority of the grains, about 80%, were from cereal crops like barley, and about 10% were bits of roots, including lily, which would have made the beer sweeter, the scientists say.

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It says the discovery of the heaviest element known to science has been reported.

它说科学家们发现了最重的元素,并且已经上报了。

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