单词	sperm nucleus
释义	sperm nucleus noun : either of two nuclei that derive from the generative nucleus of a pollen grain and function in the fertilization of a seed plant Word History First Known Use 1887, in the meaning defined above
随便看	AAR Aarau aardvark aardvarks aardwolf aardwolves Aare Aargau aargh aarhus Aaron Aaron's rod Aaron's-beard aaron's-beard cactus aaron's-beards Aaronic Aaronite aaronites AARP aarps aas AAS AASCU aases aasvoel

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