| 单词 | penicillin |
| 释义 | penicillin /pen'euh sil"in/, n. Pharm. any of several antibiotics of low toxicity, produced naturally by molds of the genus Penicillium and also semisynthetically, having a bactericidal action on many susceptible Gram-positive or Gram-negative cocci and bacilli, some also being effective against certain spirochetes. [1925-30; PENICILL(IUM) + -IN2] |
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