virulence ['vɪrjələns]

例句:

• Medical authorities were baffled, both as to its causes and its virulence.
  医疗当局对其病因及有多致命都还不甚了解。
  
• Host resistance and fungal virulence parallel each other in the cross.
  寄生的抗病性的病原菌的毒力在杂交中是势均力敌的.
  
• The results showed that the JDS - CPV has higher virulence to pine caterpillar.
  证实JDS-CPV对我国马尾松毛虫有较好的毒力.
  
• Its extreme virulence also appears to have driven rapid human evolution.
  来自THETIMES
• Once this quorum is reached, the bacteria turn on their virulence genes.
  来自NEWYORKER
• He suspects that other phages infect anthracis and probably have additional roles such as controlling the disease's virulence.
  来自SA