People who suffer from year-round hay fever (perennialrhinitis) may be allergic to persistent allergens in the environment coming from such sources as dust mites, mice, and cockroaches.
那些常年经历着过敏的人其过敏源可能是来自环境中的粉尘,老鼠,和蟑螂。
2
Perennial allergic rhinitis, triggered by dust mites, animal dander, and mold, occurs year-round.
常年变态反应性鼻炎由尘螨、动物毛发皮屑、霉菌引起并常年发作。
3
Objective To study the effect of treatment for perennial allergic rhinitis by surgery.