a large group of bacteria having rigid cell walls; motile types have flagella
例句
用作名词 (n.)
Recent molecular evidance suggests the prokaryotes actually comprise two distinct kingdoms, or even domains, the Archaea and the Eubacteria or Bacteia. 近来的分子生物学研究证据表明原核生物实际上包含两个不同的界或域,即古细菌和真细菌或细菌。