果味酸柯林斯词典

embryo-sac

E 开头单词

基本解释

  • 胚囊

同根派生

     

英汉例句

  • Both polygonum type and panicum type embryo sac have embellum.
    有性生殖和无孢子生殖的胚囊中均有胚珠附器存在;
  • Abnormal development was observed at tetrad and mature embryo sac.
    在四分体和成熟胚囊时期观察到了异常发育现象。
  • Genesis of megaspore and development of embryo sac in Carica papaya L.
    番木瓜的大孢子发生与胚囊发育。
  • These abnormalities would cause the abnormal structure of mature embryo sac.
    这些异常可能最终导致多种结构异常成熟胚囊的形成。
  • While in the Angiophyta the female gametophyte is simply the EMBRYO SAC.
    被子植物门的雌配子体为简单的胚囊；