单词	polyphosphoric acid
释义	polyphosphoric acid noun poly·​phosphoric acid "+…- : any of a series of condensed phosphoric acids (as pyrophosphoric acid) containing more than one atom of phosphorus Word History Etymology polyphosphoric from poly- + phosphoric
随便看	ni et nul ni ge ni in ni national park reserve ni nil a me ali ni no ni pri ni sem ni soit qui mal y pense ni's cartilage ni, vi ni-Vanuatu nia nia and her nia condor nia dutch nia mu nia pa nia pos nia potatoes nia va nia ve nia vin nia, gulf of niacin

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