Most pollen that causes hay fever for us is from plants that use the wind to disseminate the pollen, and that's a very inefficient process, which is why it gets up our noses so much.
花粉症を引き起こす花粉は ほとんどが 風を使って花粉を広める 植物のものです とても非効率的な方法なので 私たちの鼻にもたくさん飛んできます