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	PSSO psst pssts PST psts psy psych psych (out) psych (up) psych out psych up psych-out psychagogic psychagogue psychagogues psychal psychally psychanalysis psychasthenia psychasthenias psychasthenic psychasthenics psyche Psyche knot Psychean

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