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	go down on go down the aisle go down the tubes go down to defeat go down with go down/like a bomb go Dutch go easy go easy on go either way go ex-directory go far go figure go fly a kite go flying go for go for a burton go for a wander go for broke go for naught go for the brass ring go for the jugular go forward go from strength to strength go gage

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