acid rain
基礎科學

        The deposition of acids by natu-ral precipitation (e. g. rain,snow,fog),leading to acid pollution. The very diluteacids are formed by reaction of gaseous wasteproducts (e. g. sulfur dioxide,nitrogen ox-ide ,or carbon monoxide ),with moisturepresent in the......（本文共 699 字）     [閱讀本文] >>