pentavalentWiktionary 原文英美构词拆解pentapenta-前缀valent-valent后缀penta-Five.-valentHaving one or more valences.词源说明From penta- + -valent.释义形容词adjective1(chemistry) Having an atomic valence of 5.2(medicine) Having a vaccine valence of 5.同族词派生词 1pentavalently