male genital cell的用法和樣例：
例句
- The male gametophytes of conifers and angiosperms are the POLLEN grains.
松柏類植物以及被子植物的雄配子體即花粉粒。 - Pollen tubes are the polarized tip-growing system that delivers the male gametes towards the ovaries, which is very essential for sexual reproduction in higher plants.
摘要花粉管的極性頂端生長是將雄配子體運輸到子房的過程，在高等植物有性生殖過程中起著重要的作用。
