dicaesiumWiktionary 原文英/daɪˈsiːzɪəm/美构词拆解didi-前缀caesiumcaesium词干di-Two. · Double, twice the quantity.词源说明From di- + caesium.释义名词noun1(inorganic chemistry) Two caesium atoms in a molecule同族词派生词 3dicaesium dichloride·dicaesium monoxide·dicaesium telluride