1、Serology is the branch of medicine that deals with the study of blood serum, particularly in relation to the response of the immune system to pathogens.
血清学是医学的一个分支，它研究与免疫系统对病原体的应答有关的血清，尤其是血清中的成分。

2、Serology tests are commonly used to detect antibodies to specific viruses or bacteria in a patient's blood.
血清学检查常用于检测患者血液中特定病毒或细菌的抗体。