尽管你无法控制你居住的城市花粉释放的数量，但你可以控制过敏症状。
Although you can't control the quantity of pollen released in the city where you live, you can control your allergies and their symptoms.
苏铁雄球果的结构与花粉的风传播相当一致，花粉云从一些较大的球果中释放出来。
The structure of cycads male cones is quite consistent with the wind dispersal of pollen, clouds of which are released from some of the larger cones.
在接触到花粉颗粒时，鼻子和眼睛内的细胞释放出组胺和其它化学物质，导致红眼睛和鼻塞。
Cells inside the nose and eyes release histamine and other chemicalswhen they come in contact with the grains, causing red eyes and ablocked nose.
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