They will observe the dust storms as they mix with some of the world's heaviest pollution.
他们观察到这些沙尘暴与世界上一些最严重的污染混合在一起.
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结果表明在本次锋面气旋型沙尘暴过程中,气旋冷锋是引发强沙尘暴的主要系统,冷锋过境对沙尘暴的触发作用远强于气旋发展。
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A satellite image from May this year shows band of dust snaking across the Red Sea.
今年五月从卫星上拍摄到的这幅图片显示,一片混浊的沙尘暴掠过红海.
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City meteorologists said conditions would improve, but warned the sand would linger through midweek.
气象专家说情况会好转, 但警告说沙尘暴也许会滞留半个星期左右的时间.
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气象专家说,这场沙尘暴主要是由于气温偏高 、 空气干燥和降雨偏少造成的.
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