常見(jiàn)例句雙語(yǔ)例句Thus, a genetic polymorphism of species in a balanced equilibrium cannot be established.因此於 平衡狀態(tài)下，物種之「基因多態(tài)性」竝無(wú)法完成。http://dj.iciba.com權(quán)威例句If it does, such an advantage probably pertains only when psychopaths are in the minority (a state of affairs known to biologists as a balanced polymorphism).ECONOMIST: Evidence that psychopaths are born, not made 返回 balanced polymorphism