n.浆液(血浆；血清)
The doctor inoculated her with the serum. 我们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，抗毒素包含对一种或多种抗原的特异抗体的人体或动物血清
n.抗血清
