Hay fever 仅仅是一种说法，不是hay引起。引起Hay fever最重要的原因之一是花粉

来源: 彩烟游士 于 2020-10-04 12:32:06 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (335 bytes)

这是Mayo Clinic上摘的：Hay fever is caused by an allergic response to outdoor or indoor allergens, such as pollen, dust mites, or tiny flecks of skin and saliva shed by cats, dogs, and other animals with fur or feathers (pet dander).

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