“我们正刚刚开始收集空气中的沙尘对健康影响的证据，”威廉斯·普里格(William Sprigg)，亚利桑那大学的气候专家表示。

"We are just beginning to accumulate the evidence of airborne dust implications on health," said William Sprigg, a climate expert at Arizona University.

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你会先造几样简单的东西，例如长凳或花架，”电脑专家罗宝·威廉斯说，“操作电脑也一样。

You'd start with something simple, like a bench or birdhouse, " says computer expert Robin Williams. "It's the same with the computer.

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