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. 免疫系統致敏之后,就會(huì )把過(guò)敏原識別為進(jìn)攻的目標物,再次預見(jiàn)目標過(guò)敏原就會(huì )動(dòng)員機體產(chǎn)生超敏反應。