| 单词 | penicillin |
| 释义 | Word Frequency penicillin(ˌpɛnɪˈsɪlɪn) noun any of a group of antibiotics with powerful bactericidal action, used to treat many types of infections, including pneumonia, gonorrhoea, and infections caused by streptococci and staphylococci: originally obtained from the fungus Penicillium, esp P. notatum. Formula: R-C9H11N2O4S whereRis one of several side chains Word origin C20: from penicillium |
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