antibiotic/ˌæntɪbaɪˈɔtɪk; ˌæntɪbaɪ`ɑtɪk/ n, adj (substance, eg penicillin) that can destroy or prevent the growth of bacteria 抗菌素, 抗生素（如青霉素）; 抗菌的; 抗生的.
牛津英汉双解词典