基本解释n.世代交替；异形生殖；自然发生同根派生 英汉例句But the pessimistic person is just the opposite, they thought that the good deed is the heterogenesis, the misdemeanor is inevitably. 而悲观主义者恰恰相反，他们认为好事是偶然发生的，坏事才是必然的。rna heterogenesis 突变发生