noun🔗Share青霉素 Any of a group of narrow-spectrum antibiotics obtained from Penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases."The doctor prescribed penicillin for my son's ear infection, hoping the antibiotic would quickly kill the bacteria. "医生给我儿子开了青霉素来治疗他的耳朵感染，希望这种抗生素能迅速杀死细菌。medicinebiologychemistrybiochemistrymicroorganismdiseasesubstanceChat with AIVocabulary GamePractice Reading
