音标发音英式音标 [ˌbaɪ.lætˈie.ri.əl]美式音标 [ˌbaɪ.lætˈie.ri.əl]英式发音 美式发音 基本解释（动物）两侧对称的。同根派生 bilaterial相关词英英字典剑桥英英字典 relating to animals that have bilateral symmetry (= two sides of their bodies are a mirror image of each other)bilaterial剑桥字典bilaterial柯林斯字典