Birch trees release their pollen between March and May, and hay fever sufferers are likely to experience the worst symptoms during April.
桦树在三月到五月之间释放花粉，因此花粉症患者在四月份可能出现最严重的症状。
The different pollination mechanisms require very specific foraging patterns to deposit and release pollen.
不同的传粉机制要求某一特定的取食式样储藏和释放花粉。
In this study, a Pulverisette planetary ball mill was used for the ultrafine grinding of camellia pollen in attempt to achieve the full release of intracellular nutrients.
为使茶花粉孢子内营养物质能够得到充分释放，采用行星球磨机对茶花粉进行了超微化破壁试验研究。
Vibrations caused by the insect's buzzing help release pollen from the flower's anthers so that it can fall onto the stigma.
昆虫翅膀的震动帮助播撒取自花药的花粉，并落到柱头上。
This implied that pollen could retard the brain aging process and enhance memory. The mechanisms might be involved in clearing the free radical and decreasing the release of NO.
研究结果提示花粉制剂具有延缓衰老和增强记忆力等作用，其机制可能与其促进自由基的清除及减少NO释放有关。
This implied that pollen could retard the brain aging process and enhance memory. The mechanisms might be involved in clearing the free radical and decreasing the release of NO.
研究结果提示花粉制剂具有延缓衰老和增强记忆力等作用，其机制可能与其促进自由基的清除及减少NO释放有关。
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