hay fever

1.He’s been a lifelong sufferer from hay fever.

他终身患枯草热。

2.Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高时，枯草热患者的日就更不好过了。

3.The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致。