n.漿液(血漿；血清)
The doctor inoculated her with the serum. 我們所有人都注射了天花病毒。
Human or animal serum containing antibodies that are specific for one or more antigens. 抗毒血清，抗毒素包含對(duì)一種或多種抗原的特異抗體的人體或動(dòng)物血清
n.抗血清
