human immunoglobulin

例句：

1. 1. Human immunoglobulins are a type of protein that helps the body fight infections.
   人免疫球蛋白是一种帮助身体抵抗感染的蛋白质。
2. 2. The research on human immunoglobulins has led to new treatments for autoimmune diseases.
   关于人免疫球蛋白的研究已经导致了对自身免疫疾病的新治疗方法的出现。
3. 3. Human immunoglobulins are produced by the immune system and play a crucial role in protecting the body against foreign invaders.
   人免疫球蛋白是由免疫系统产生的，并在保护身体免受外来入侵者时发挥关键作用。