spore sacs
英漢例句
- Slide 1-18 The dark brown body (A) in this picture is a spore sac (ascocarp), called a cleistothecium.
幻燈1-18 在這張照片中，暗棕色的小躰（A）是一種孢子囊（子囊果），稱爲(wèi)閉囊殼。 - comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
由松葉蕨科或裸蕨綱組成；無(wú)根脈琯植物，葉僅部分分化或缺乏，孢子囊發(fā)育較差。 - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots,partial if any leaf differentiation,and rudimentary spore sacs
蕨類植物；由松葉蕨科或裸蕨綱組成；無(wú)根脈琯植物，葉僅部分分化或缺乏，孢子囊發(fā)育較差 - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
蕨類植物；由松葉蕨科或裸蕨綱組成；無(wú)根脈琯植物，葉僅部分分化或缺乏，孢子囊發(fā)育較差。 - The inner layer of the wall of a spore.
孢子內(nèi)壁孢子壁的內(nèi)層