Home/cinerincinerin/sin-er-in/US // ˈsɪn ər ɪn //UK // (ˈsɪnərɪn) //灰烬Definitionsn.名词 noun1 Chemistry.: either of two oily, liquid compounds, C20H28O3 or C21H28O5, used as insecticides.Level 3Browse all words →