infect

/ɪnˈfekt/ v.
标准词条 CET-4 词根 fac
一句话记住

传染;使感染(疾病);使受(情绪、坏风气的)感染

释义与例句

v. 传染;使感染(疾病)
to give a person, animal or plant a disease
  1. One sick child can infect a whole class.
    一个生病的孩子可能传染全班。
  2. The wound was infected by dirty water.
    伤口被脏水感染了。
展开其余 1 条例句
  1. Mosquitoes can infect people with malaria.
    蚊子能使人感染疟疾。
v. 使受(情绪、坏风气的)感染
to make someone have a feeling or way of thinking that spreads to others
  1. His laughter soon infected the whole room.
    他的笑声很快感染了整个房间。
  2. Don't let his pessimism infect the team.
    别让他的悲观情绪影响整个团队。
展开其余 1 条例句
  1. The crowd's excitement infected the players.
    人群的兴奋情绪感染了球员们。

词源与构词

记忆钩子 记 infect...with...(使感染上……);名词 infection 是‘感染’,形容词 infectious 还有‘有感染力’的意思。

词族与关联词

同根词(同一个词根长出来的词)
  • affect 影响;使产生变化;打动
    Climate change affects every region of the world. 气候变化影响着世界每一个地区。
  • affection 喜爱;关爱;深情
    She has great affection for her grandparents. 她非常爱戴自己的祖父母。
  • effect 影响;效果;作用
    The medicine had an immediate effect on the pain. 这种药立刻起到了止痛作用。
  • fact 事实;实际情况
    Check the facts before sharing the story online. 在网上分享这则报道之前,先核实事实。
  • factory 工厂;制造厂
    The factory produces components for electric cars. 这家工厂生产电动汽车零部件。
  • perfect 完美的;最合适的;完全的
    The weather was perfect for a day at the beach. 这天气非常适合去海边玩一天。
词族(同一词根派生出的不同词性或形式)
  • infection 感染;传染病
    名词,如 a chest infection。
  • infectious 传染性的;有感染力的
    形容词,既指疾病传染,也指情绪有感染力。
易混词(形近或义近,注意区别)
  • affect 影响
    affect 泛指‘影响’,infect 特指病菌传染或情绪蔓延。Smoking affects your lungs(吸烟影响肺部,不传染);He infected others with flu(他把流感传染给别人)。两词拼写相近但意义不同,说 The flu affected many people(流感波及许多人)✓,说 The flu infected your grades 则不合逻辑(×)。
    The cold weather affected my mood. 寒冷的天气影响了我的心情。
常见搭配
  • infect somebody/something with something 使……感染上……
    Patients were infected with the virus in hospital. 病人在医院感染了这种病毒。
  • become/be infected 被感染
    Half the crew became infected during the voyage. 航行途中半数船员被感染。