antibody combining site

例句：

1. 1.The antibody combining site on the surface of the virus is what allows it to recognize and bind to its target.
   病毒表面的抗体结合位点是允许它识别并结合到目标的。
2. 2. This antibody combining site is crucial for the immune system to function properly.
   这个抗体结合位点对于免疫系统的正常功能至关重要。
3. 3. The researchers found a new antibody combining site that could be used to treat cancer.
   研究人员发现了一种新的抗体结合位点，可以用来治疗癌症。