常見例句But the pessimistic person is just the opposite, they thought that the good deed is the heterogenesis, the misdemeanor is inevitably. 而悲觀主義者恰恰相反，他們認(rèn)爲(wèi)好事是偶然發(fā)生的，壞事才是必然的。rna heterogenesis 突變發(fā)生 返回 heterogenesis