英语语法分析

Every time you respond to a pathogen, these alloimmune cells are randomly sprinkled throughout all of your immune responses.

每当机体对病原体产生应答时，这些同种免疫细胞弥散性分布于参与免疫应答过程中。

Giving an individual a blood transfusion when there is very little trauma is less likely to cause an alloimmune response than giving it to them when they are undergoing a major surgical procedure.

给创伤程度小的个体输血产生同种免疫应答的可能性小于刚刚进行大外科手术的个体。