embryo-sac

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；