semisynthetic antibiotics

常见例句

双语例句

• Rifampin is a semisynthetic antibiotics.
  利福平是一种半合成抗生素。
• Early antibiotics were natural microbial products, But chemists have modified the structures of many to produce semisynthetic and even wholly synthetic ones.
  早期的抗生素是由细菌自然生成的产物，化学家改变许多结构产生出半合成或完全合成的抗生素。
• The development, research and manufacturing of antibiotics undergo three stages:natural antibiotics, semisynthetic antibiotics and pharmacologic active substance.
  就其发展史而言，抗生素的研究、生产可分为天然抗生素、半合成抗生素和药理活性物质三个发展阶段；
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