Even if we wore double gauze masks while searching, our nostrils were very black as they were filled with dust.

即使我们在翻找的时候罩了两层纱布，鼻孔里还是吸满了黑黑的灰。

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Dust cover and seal with double protection, isolated pollution.

采用防尘盖和密封圈双重保护，隔绝污染。

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"It seems good, but we'll double-check in 20 minutes.There's too much dust now," answers an officer.

“初步看起来不错，但20分钟内我们将进行再次确认，现在现场有太多扬起的灰尘，”一位军官回答。

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Time to panic, then, or at least dust off those doom-laden predictions of a double-dip recession?

ECONOMIST: Still on amber

Desertification has also been linked to health problems caused by dust storms, poverty and a drop in farm production, with infant mortality in drylands double the rate elsewhere in developing nations.

CNN: Growing deserts 'a global problem'