bicyclicWiktionary 原文构词拆分bi-前缀Two in number. · Having or possessing two of the root word's quality.+cyclic词根/词干词源说明From bi- + cyclic.释义（英文）形容词 AdjectiveHaving two cycles.(organic chemistry) Having two rings of atoms in the molecule; the rings may be fused, as in naphthalene, or separate, as in biphenyl.名词 Noun词族派生词（2）macrobicyclicoxabicyclic相关词（4）azabicyclicmonocyclictricyclicpolycyclic