词根词缀：archaeo-, archeo-, archae-, arche-, archa-, archi-, -arch

【来源及含义】Greek: original [first in time], beginning, first cause, origin, ancient, primitive, from the beginning; most basic

【相关词根词缀】 Related "time" units: aevum, evum; Calendars; chrono-; horo-; pre-; Quotes: Time; tempo-.

【同源单词】antarchism, archaebacterium, archaeoastronomer, archaeoastronomy, archaeobacterium, archaeofauna

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