If it does, it identifies that allergen as an object to be attacked, thus priming the body for an allergic reaction the next time the allergen in question is encountered.
If it does, it identifies that allergen as an object to be attacked, thus priming the body for an allergic reaction the next time the allergen in question is encountered.
免疫系统致敏之后，就会把过敏原识别为进攻的目标物，再次预见目标过敏原就会动员机体产生超敏反应。