hay fever

allergic illness affecting the nose and throat, caused by pollen or dust 枯草热（由花粉或尘埃引起鼻部和咽喉发炎的变态反应症）.

have up, have... to do with, have...at heart, have...in common, have...to do with, have/gain access to, haven, haver, haversack, havoc, haw, Hawaii, hawk, hawk-eyed, hawker, hawkish, hawkishness, hawser, hawthorn, hay, hay-fork, hay-maker, haymaking, haystack (also hayrick), haywire, hazard, hazardous, hazardously, haze, hazel, hazel-nut, hazily, haziness, hazy, HB, HDL cholesterol, he, he'd, he'll, he's,