an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
造句
用作名詞(n.)
The doctor prescribed two boxes of erythromycin to cure him. 醫生給他開了兩盒紅霉素來治療他的病。