柯林斯词典hay fever 1. N-UNCOUNT If someone is suffering from hay fever, they sneeze and their eyes itch, because they are allergic to grass or flowers. 花粉热 返回 hay fever剑桥词典an illness like a cold , caused by pollen 枯草热，花粉热（一种由花粉引起的疾病） She gets really bad hay fever . 她得了相当严重的花粉热。 hay fever sufferers 花粉热患者 返回 hay fever