pollen sac
英
美
- 花粉囊
双语例句
- The pollen is released when the lobes split open longitudinally.
当花粉成熟时，药隔每侧的两个花粉囊相互连通。 - Each lobe contains two pollen sacs that produce very large quantities of small pollen grains.
左右两侧花粉囊之间是薄壁细胞构成的药隔，药隔中的维管束与花丝维管束相连。
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