过敏性 guòmǐnxìng allergic Origin Definitions Defs Strokes Stroke Words Sentences Sents 过敏性休克 guòmǐnxìngxiūkè anaphylactic shock 过敏性反应 guòmǐnxìngfǎnyìng allergic reaction an immune system overreaction to a foreign substance, such as an allergen, which can range from mild irritation to life-threatening anaphylaxis