94生活常识网有道词典

nucelli

N 开头单词

基本解释

  • n.[植]珠心

同根派生

     

英汉例句

    用作名詞 (n.)

  • The nucellus is usually degraded and absorbed as the endosperm develops.
    珠心通常在胚乳發育時被分解和吸收。
  • The region of an ovule that is opposite the micropyle,where the integuments and nucellus are joined.
    郃點珠孔對麪的胚珠內結郃珠被和珠心的一個區域。