dicyclic ring双环核;翻译
dicyclic compound双环化合物
dicyclic crinoids双环海百合
dicyclic hydrocarb双环烃类
dicyclic flower二轮花
dicyclic hydrocarbons双环烃类
dicyclic stele双环中轴;二环中柱
dicyclic calyx双环萼
ADJ(形容词) having the perianth arranged in two whorls; having separate petals and sepals 二环花被的; 有分开的花瓣和花萼 [botany]