ep.i.some
n.（名词）A genetic particle of certain cells, especially bacterial cells, that can exist either autonomously in the cytoplasm or as part of a chromosome.附加体，游离体：某些细胞的遗传粒子，尤其是细菌细胞， 能够自动存在于胞质中或成为染色体的一部分
【引伸】
ep.iso.mal
adj.（形容词）episo.mally
adv.（副词）
