infective [ɪnˈfɛktɪv]

例句:

• These organisms penetrate into snails, multiply, and develop into cercariae , the infective form for man.
  这些毛蚴进体螺体, 繁殖和发育对人类有传染性的尾蚴.
  
• The tears also contain a potent microbe - killer called lysozyme, which guards me from infective bacteria.
  眼泪里还包含一种叫做溶菌酶的高效力杀菌者, 保护我不受细菌感染.
  
• Some kind of anti - infective medical device has been trial - produced with this material.
  并进行了 抗 感染医疗器械的试制.
  
• These in turn contain thread-like ascospores, which usually break into fragments and are presumably infective.
  来自BBC