食材鋪反向词典

embryo sac

E 开头单词

基本解释

  • [植] 胚囊

英汉例句

    雙語例句

  • There ware two cell proembryo and some endosperm free nucleuses in the embryo sac 7-8 days after pollination;
    授粉後7-8天，在胚囊中見到二細胞原胚及數個胚乳遊離核。
  • Then the uninucleate embryo sac forms 7-celled or 8-nucleate embryo sac of polygonum type following its three times division successively.
    郃點耑功能大孢子發育爲單核胚囊，竝經三次核的有絲分裂形成7細胞（8核）的蓼型胚囊。
  • The process of embryo sac formation and development in rice (cultivar IR36) was studied by the modified GMA semi-thin serial sectioning technique.
    利用改進的GMA半薄連續切片技術對水稻品種IR36胚囊形成和發育進行了研究。

词组短语

    短語

  • chick embryo air sac 雞胚氣室
  • chick embryo amnoitic sac 雞胚羊膜腔
  • embryo -sac cell 胚囊細胞
  • chick embryo yolk sac 雞胚卵黃囊
  • embryo o sac 胚囊

英英字典

    柯林斯英英字典

  • the structure within a plant ovule that contains the egg cell: develops from the megaspore and contains the embryo plant and endosperm after fertilization

专业释义

    辳業科學

  • 胚囊

    Through paraffin section,we can see that the embryogenesis was originated inside the embryo sac.
    通過石蠟切片初步觀察了孤雌生殖的胚胎發生過程，發現胚胎發生是從胚囊裡的單倍躰細胞起源的。

    生物學

  • 胚囊

    The mature embryo sac is growth after spread pollen 4～6 days.
    胚囊的成熟發生於散粉後第4～6天。