surface immunoglobulin

例句：

1. 1.The surface immunoglobulin on the skin is responsible for protecting against bacteria and viruses.
   皮肤上的表面免疫球蛋白负责保护免受细菌和病毒的侵害。
2. 2. The research team discovered that the surface immunoglobulin in the blood could be used as a diagnostic tool.
   研究小组发现血液中的表面免疫球蛋白可以作为诊断工具。
3. 3. The surface immunoglobulin levels in the body are crucial for maintaining immune health.
   身体中表面免疫球蛋白的水平对于维持免疫系统健康至关重要。