词根词缀：bacillo-, bacill-, bacilli-

【来源及含义】Latin: rod, staff, stick; a rod-shaped bacterium

【同源单词】actinobacillosis, actinobacillus, bacillar, bacillary, bacillemia, bacillicide

词根词缀：lacto-, lact-, lacti-

【来源及含义】Latin: milk

【相关词根词缀】 Related "milk" unit: galacto-.

【同源单词】ablactation, lactagog, lactagogue, Lactarius, lactase, lactate