parasitism ['pærəsaɪtˌɪzəm]

例句:

• Gastrointestinal parasitism is characterized gastroenteritis, unthriftiness and anemia.
  胃肠道寄生虫病的特征是:胃肠炎, 瘦弱和贫血.
  
• Many biologists think that sex, for example, is a response to parasitism.
  比如说许多生物学家认为性就是对寄生病菌的一种反应.
  
• You hate emotional parasitism, whiners and outsiders interfering with your business.
  你不喜欢别人情绪依靠,哀怨嘀咕以及外界干扰你的事.
  
• Parasitism is differentiated from the parasitoid relationship by the fact that parasitoids generally kill their hosts.
  来自BBC