词根词缀：bacterio-, bacteri-, bacter-, -bacteria, -bacterial, -bacterially, -bacterium

【来源及含义】Greek: rod-shaped micro-organism; used in biomedical terminology

【同源单词】Agrobacterium, archaebacterium, archaeobacterium, bacteremia, bacterial, bactericidal

词根词缀：chloro-, chlor-

【来源及含义】Greek: Chloris, goddess; the color green, yellow-green, or light green

【同源单词】bacteriochlorophyll, chimochlorous, chloralomania, chloralum, Chloranthaceae, chloranthaceous