英语词汇“yolk-sac placenta”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	yolk-sac placenta
释义	yolk-sac placenta noun : a structure in some sharks resembling a placenta, consisting of the vascular embryonic yolk sac wall intimately associated with the vascular maternal uterine or oviducal wall, and serving to nourish the embryo
随便看	relishable relishing relive relleno relleno rellyan rellyanism rellyanite reload reloader relocatable relocate relocation relocation relocator relucence relucent reluct reluctance reluctance reluctance cartridge reluctancy reluctant reluctant reluctant dragon

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