| 单词 | allergy |
| 释义 | allergy (once / 3413 pages) n An allergy is a physical reaction to some specific food or substance. If you have an allergy to cats, they'll make you itchy and swollen no matter how much you love to pet them. If you have an allergy, it can range from mild — itchy eyes in the springtime — to serious — being unable to breathe after eating a peanut. People have allergies to all kinds of things, including milk, chocolate, corn, dust, mold, and just about any kind of animal you can think of. Allergy was originally Allergie, a German word invented by a doctor who combined the Greek roots allos, "other, different, or strange," and ergon, "activity." WORD FAMILYallergy: allergic, allergies, allergist+/allergic: allergically/allergist: allergists USAGE EXAMPLESThe foundation is named after a 13-year-old girl who died last year following a severe reaction to a food allergy. Washington Times(Dec 27, 2016) She thought it was allergies, but doctors later found blood clots in her legs and lungs. Washington Times(Dec 24, 2016) Immune-mediated diseases such as ulcerative colitis, Crohn's disease, type 1 diabetes and some allergies were very unusual problems before the twentieth century. Nature(Dec 20, 2016) n hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity Syn|Hypo|Hyper allergic reaction food allergy allergic reaction to a substance ingested in food atopic allergy, atopy, immediate allergy, type I allergic reactionan allergic reaction that becomes apparent in a sensitized person only minutes after contact serum disease, serum sicknessa delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum delayed allergy, type IV allergic reactionan allergic reaction that becomes apparent only hours after contact hypersensitivity reaction an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock |
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