agglutinin

例句：

1. 1. The researcher found that the agglutinin was responsible for the disease.
   研究人员发现，这种凝集素是导致疾病的罪魁祸首。
2. 2. The study focused on the role of agglutinins in immune responses.
   该研究关注了凝集素在免疫反应中的作用。
3. 3. The researchers isolated the agglutinin and tested its properties.
   研究人员分离出了这种凝集素，并对其性质进行了测试。