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	nixonian nixons nixtamal nixtamales nixxer nixxest niy nov niyoga niz nizam nizamate nizamates nizams nizh Nizhnevartovsk nizhni novgorod nizhni tagil Nizhniy Novgorod Nizhniy Tagil nizy niçoise nière cri nière's disease Niš Nišava

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