There are 2 ~3 layers tunica cells in the reproductive shoot apexes whose surface were flat.

  • 而将来发育为果枝的腋芽,其生长锥为圆柱形,顶端表面平坦,体积较大,原套层数为2~3层.

  • 互联网摘选 2025-01-17 07:06:21

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句