dindexdimethylketone./dahy-meth-uhl-kee-tohn/US // daɪˌmɛθ əlˈki toʊn //二甲基酮,二甲基甲酮,二甲酮,二甲基酮类Definitionsn.noun · 名词1. Chemistry.›acetone. Level 5More words in d →