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foetal sac是什么意思，foetal sac的翻译，foetal sac音标、读音、用法和例句_流逝汉英词典
流逝汉英词典

foetal sac

F 开头单词

基本解释

  • [生物学]胎囊

英汉例句

    双语例句

  • The chorion and amnion are foetal membranes that contribute to the placenta and the foetal sac respectively.
    绒毛膜和羊膜是分别形成胎盘和羊膜囊的胎膜组织。

专业释义

    生物学

  • 胎囊