1. 衍生物來源于特別的出處或由一特別的來源分支衍生而來的物體
   Something that branches out or derives its existence or origin from a particular source.
2. 不是原本的；衍生的
   Not original; derivative.
3. 同種抗體；同族抗體由與抗原相同的種類產(chǎn)生的或衍生的抗體，由它對該抗原作出反應
   An antibody produced by or derived from the same species as the antigen with which it reacts.
4. 有機衍生物一種有機衍生物，如煤或石油
   An organic derivative, such as coal or petroleum.

衍的英語翻譯：

生的英語翻譯：