单词	cation-exchange resin
释义	cation-exchange resin noun : an ion-exchange resin that contains acidic groups for exchange cations compare anion-exchange resin Word History First Known Use circa 1948, in the meaning defined above
随便看	itselves Itsukushima itsy-bitsy itt lamp itty-bitty ITU Ituraea ituraean ituraeans Iturbi Iturbide iturea iturean itureans iturite fiber ITV itz Itza itzas iténez IU IUD iugurtha Iulidae Iulus

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