物種不變論 immutability of species: 種的不可變性immutability: n. 不變性,不易性。 fixity of species theory: 物種恒定學(xué)說theory of fixity of species: 物種恒定學(xué)說theory of organic of species: 物種起源學(xué)說下載手機(jī)詞典可隨時隨地查詞查翻譯