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单词 pollen sac
释义

Definition of pollen sac in English:

pollen sac

noun
Botany
  • Each of the chambers (in angiosperms usually four in each anther) in which pollen is formed; the microsporangium of a seed plant.

Origin

Late 19th century; earliest use found in American Naturalist.

 
 

Definition of pollen sac in US English:

pollen sac

noun
Botany
  • Each of the chambers (in angiosperms usually four in each anther) in which pollen is formed; the microsporangium of a seed plant.

Origin

Late 19th century; earliest use found in American Naturalist.

 
 
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更新时间:2025/1/31 20:12:35