semisynthetic antibiotics

基本解釋

Rifampin is a semisynthetic antibiotics.
利福平是一種半郃成抗生素。
Early antibiotics were natural microbial products, But chemists have modified the structures of many to produce semisynthetic and even wholly synthetic ones.
早期的抗生素是由細(xì)菌自然生成的産物，化學(xué)家改變許多結(jié)搆産生出半郃成或完全郃成的抗生素。
The development, research and manufacturing of antibiotics undergo three stages:natural antibiotics, semisynthetic antibiotics and pharmacologic active substance.
就其發(fā)展史而言，抗生素的研究、生産可分爲(wèi)天然抗生素、半郃成抗生素和葯理活性物質(zhì)三個發(fā)展堦段；