virulentadj.有毒的；有恶意的；充满敌意的virulent plasmid毒力质粒virulent antigenVi抗原, 毒力抗原virulent bacteria毒性细菌virulent mutation烈性突变virulent chemicals剧毒化学品virulent infection有毒害感染virulent inflation恶性通货膨胀virulent principals毒力因子virulent heat-evil热毒virulent pyropathogen血分热毒