The air quality along the U. S. -mexico border was affected by smoke coming from a large wildfire in Mexico's northern state of Coahuila.

美国和墨西哥边境一带的空气质量也受到墨西哥北部一场大规模野火所产生烟雾的影响。

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The air quality along the U. S. -mexico border was affected by smoke coming from a large wildfire in Mexico's northern state of Coahuila.

美国和墨西哥边境一带的空气质量也受到墨西哥北部一场大规模野火所产生烟雾的影响。

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