semisynthetic antibiotics

基本解釋

Rifampin is a semisynthetic antibiotics.
利福平是一種半合成抗生素。
Early antibiotics were natural microbial products, But chemists have modified the structures of many to produce semisynthetic and even wholly synthetic ones.
早期的抗生素是由細(xì)菌自然生成的產(chǎn)物，化學(xué)家改變?cè)S多結(jié)構(gòu)產(chǎn)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.
就其發(fā)展史而言，抗生素的研究、生產(chǎn)可分為天然抗生素、半合成抗生素和藥理活性物質(zhì)三個(gè)發(fā)展階段；