词根词缀：echidno-, echidn-

【来源及含义】Greek: viper

【同源单词】echidnase, echidnin, Echidnophaga, echidnotoxin, echidnovaccine

词根词缀：vaccino-, vaccin-, vaccini-, vacci-, vacc-

【来源及含义】Latin: of, or pertaining to, a cow; a bovine

【相关词根词缀】Related "bovine; cow, ox, bull" word units: bou-; bovo-; ox-; tauro-.

【同源单词】antivaccinationist, autogenous vaccine, autovaccination, autovaccine, autovaccinotherapy, bovovaccination