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penicillin

英 [penɪ'sɪlɪn] 美[,pɛnɪ'sɪlɪn]
  • n. 盘尼西林(青霉素)

考试真题


And the reality is that antibiotics have been responsible for saving millions of lives since penicillin, one of the earliest antibiotics, was first used on a clinical basis 70 years ago.

出自-2017年6月听力原文