pindexpropanedioic./proh-peyn-dahy-oh-ik/US // ˌproʊ peɪn daɪˈoʊ ɪk //丙烯醛,丙烯腈,丙烯酰胺,丙烯酰胺类Definitionsadj.adjective · 形容词1. Chemistry.›malonic. Level 3More words in p →