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 issuesb2Oxford Collocations Dictionaryadjective- effective
- oral
- broad-spectrum
- …
… of antibioticsverb + antibioticprepositionSee 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’).