免疫学者

例句：

1. 1. Dr. Smith is an expert in the fieldof immunology.
   史密斯博士是免疫学领域的专家。
2. 2. The research on vaccines hasgreatly advanced our understanding of immunity.
   疫苗研究极大地提高了我们对免疫力的理解。
3. 3. Immunologists are responsible forstudying the immune system and itsfunctions.
   免疫学家负责研究免疫系统及其功能。