As summertime approaches and warmer weather moves in, air pollution becomes an increasing problem across the U.S.
Pollution can inflame the lungs, cause respiratory distress, and result in permanent lung damage.
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As summertime approaches and warmer weather moves in, air pollution becomes an increasing problem across the U.S.
Pollution can inflame the lungs, cause respiratory distress, and result in permanent lung damage.
译文属可可英语原创,未经允许,不得转载。