bi·cy·clic /(ˌ)baɪˈsaɪklɪk, ˈsɪ-/ 二環的
bi·cy·clic /(ˈ)baɪˈsaɪklɪk, ˈsɪklɪk/ 形容詞
Bi·cyc·lic a. Relating to bicycles. ◄ ►
bicyclic adj : having molecules consisting of two fused rings