bacterium [bækˈtɪriəm]

例句:

• They found a bacterium visible to the human eye.
  他们发现了一种肉眼可见的细菌。
  
• Treatment is supplemented with a course of antibiotics to kill the bacterium.
  治疗期间辅以一个疗程的抗生素注射来杀灭细菌。
  
• They have isolated the bacterium in its pure form.
  他们已经把细菌分离出来,使它们处于较纯的状态.
  
• The life they were talking about was a bacterium.
  来自SA
• This was an ideal environment for a highly infectious bacterium.
  来自NEWYORKER
• One technique makes use of a soil bacterium, Agrobacterium tumefaciens.
  来自BBC