hidden antigen

例句：

1. 1.The study found that the hidden antigens in the blood could be detected by a new test.
   研究发现，血液中的隐藏抗原可以通过一种新的测试来检测。
2. 2. The researchers discovered a new way to identify hidden antigens in the body.
   研究人员发现了一种识别体内隐藏抗原的新方法。
3. 3. The research team is working on developing a vaccine that targets hidden antigens.
   研究团队正在开发一种针对隐藏抗原的疫苗。