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TOEFL IELTS BNC: 7295 COCA: 5080

antibiotic

noun
/ˌæntibaɪˈɒtɪk/
/ˌæntibaɪˈɑːtɪk/, /ˌæntaɪbaɪˈɑːtɪk/
[usually plural]
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  1. a substance, for example penicillin, that can destroy or prevent the growth of bacteria and cure infections抗菌素,抗生素(如青霉素)
    • The doctor put her on antibiotics (= told her to take them).医生要她服用抗生素。
    Extra Examples
    • I got an antibiotic for my ear infection.我买了治疗耳部感染的抗生素。
    • Meat from animals that receive antibiotics could not be classified as organic.注射过抗生素的动物的肉不能归为有机食品。
    Topics Social issuesb2
    Oxford Collocations Dictionaryadjective
    • effective
    • oral
    • broad-spectrum
    … of antibiotics
    • course
    • dose
    verb + antibiotic
    • be on
    • take
    • be given
    preposition
    • antibiotic for
    See full entry
    Word Originmid 19th cent. (in the sense ‘doubting the possibility of life in a certain environment’): from anti- + Greek biōtikos ‘fit for life’ (from bios ‘life’).

antibiotic

adjective
/ˌæntibaɪˈɒtɪk/
/ˌæntibaɪˈɑːtɪk/, /ˌæntaɪbaɪˈɑːtɪk/
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  1. containing or using a substance, for example penicillin, that can destroy or prevent the growth of bacteria and cure infections抗菌素,抗生素(如青霉素)
    • an antibiotic drug抗生素
    • effective antibiotic treatment有效的抗生素治疗

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