英语词汇“endosperm nucleus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	endosperm nucleus
释义	endosperm nucleus noun : the triploid nucleus formed in the embryo sac of a seed plant by fusion of a sperm nucleus with the two polar nuclei or with a nucleus produced by their prior fusion — compare double fertilization
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