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	rushlike rush line Rushmore, Mount rush nut rush one's fences rush order rush release rush ring rush-round rush-sad rush sod rush veneer rushy Rusin rusine rus in urbe rusk Rusk, Dean ruskie Ruskinade Ruskinean Ruskinese Ruskinesque Ruskinian Ruskiniana

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