spore sacs

同根派生

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英汉例句

• Slide 1-18 The dark brown body (A) in this picture is a spore sac (ascocarp), called a cleistothecium.
  幻灯1-18 在这张照片中，暗棕色的小体（A）是一种孢子囊（子囊果），称为闭囊壳。
• comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
  由松叶蕨科或裸蕨纲组成；无根脉管植物，叶仅部分分化或缺乏，孢子囊发育较差。
• whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots,partial if any leaf differentiation,and rudimentary spore sacs
  蕨类植物；由松叶蕨科或裸蕨纲组成；无根脉管植物，叶仅部分分化或缺乏，孢子囊发育较差
• whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
  蕨类植物；由松叶蕨科或裸蕨纲组成；无根脉管植物，叶仅部分分化或缺乏，孢子囊发育较差。
• The inner layer of the wall of a spore.
  孢子内壁孢子壁的内层

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