就算空气没有被污染,雨水也是呈弱酸性的,因为大气中的二氧化碳和其他酸性的气体会溶解在(雨)水中。
Rain is slightly acidic even in unpolluted air, because carbon dioxide in the atmosphere and other natural acid-forming gases dissolve in the water.
她的眼睛看着风沙弥漫的大路,经过早上的雨,它呈。
Her eyes followed the winding road, blood-red now after the morning rain.
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