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parasite

noun
🔊/ˈpærəsaɪt/
🔊/ˈpærəsaɪt/
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  1. a small animal or plant that lives on or inside another animal or plant and gets its food from it寄生物；寄生植物；寄生虫
    • fleas, lice and other parasites跳蚤，虱子和其他寄生虫
    • an intestinal parasite of cattle牛的肠道寄生虫
    Extra Examples
    • These flies carry a dangerous parasite.这些苍蝇携带有危险的寄生虫。
    • Your contaminated fingers can transmit the parasite to many surfaces.你受污染的手指会向许多物体表面传播寄生虫。
    • the parasite that causes malaria引发疟疾的寄生虫
    Topics Illnessc1, Biologyc1
    Oxford Collocations Dictionaryadjective
    • common
    • dangerous
    • deadly
    • …
    verb + parasite
    • carry
    • have
    • pick up
    • …
    parasite + verb
    • infect somebody/​something
    • cause something
    See full entry
  2. (disapproving) a person who always relies on or benefits from other people and gives nothing back寄生虫；依赖他人过活者
    • He regards students as parasites on society.他认为学生是社会上的寄生虫。
    3. Word Originmid 16th cent.: via Latin from Greek parasitos ‘(person) eating at another's table’, from para- ‘alongside’ + sitos ‘food’.