| 单词 | massula |
| 释义 | massula/ˈmasjʊlə/Botany noun 1In certain orchids: any of the clusters of pollen grains, each developed from a single cell, which make up a pollinium. 2In aquatic ferns of the families Azollaceae and Salviniaceae: a rounded mass of cytoplasmic foam, having hooked bristles in many species, enclosing a group of microspores. Origin |
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