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Book Pages Could Provide Safe Drinking Water

2015-08-28来源:VOA
Words in this Story

page – n. part of a book or other publication; a written record

contaminant – n. something that makes a place or a substance such as water, air, or food no longer suitable for use; something that contaminates a place or substance

decontaminate – v. to remove dirty or dangerous substances from a person, thing, place, etc.