“两型性”的拼音？

在雄性触角上观察到一钩状感觉器,长210μm,它表明七星瓢虫在触角上的性别两型性.A single hook - shaped sensilla of 21.0 μ m in length was present on male antenna only....

“两型性”的英语可以翻译为：[动] dimegaly ...