polycyclic

英 [pɒlɪ'saɪklɪk] 美 [ˌpɒlɪ'saɪklɪk]

• adj. 多环的；多相的

例句

用作形容词 (adj.)

1. As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.
   异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。

词汇搭配

• fused polycyclic system 稠合多环系