单词	ionomer
释义	ionomer /ʌɪˈɒnəmə / noun Any of a class of polymer materials consisting of thermoplastic resins stabilized by ionic cross-linkages, used to make dental cement and sealants.The final one, which is 1444, with insertion of glass ionomer followed by composite resin.... the golf ball's mantle is made of firm rubber, unlike other multilayer balls with mantles of ionomers or plastics. Most solid balls use an outer layer made of ionomer.
随便看	notarise notarization notarize notary notary public not a sausage not as black as one is painted not at all notate not a thing not at home notatin notation notational notationally notationist notative notator not bat (or without batting) an eyelid (or eye or eyelash) not be able to do something a lick not be able to do something for toffee not be above not be an option not bear thinking about not before time

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