關於pollen的文學百科

• pollen可數嗎

• pollen例句分享Seedsandpollenarespreadbythewind.種子和花粉是隨風傳播的。Manypeopleareallergictoairbornepollutantssuchaspollen.許多人對空氣傳播的污染物過敏，比如花粉。Asthedaygoeson,thepollendriesupandbecomeshard.日子一天天過去，花粉乾結成了硬塊。...
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