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单词 pulvinus
释义 pulvinus
 /pul vuy"neuhs/,  n.  ,  pl.   pulvini /-nuy/.
  1.  Bot.   a cushionlike swelling at the base of a leaf or leaflet, at the point of junction with the axis.
  2.  Archit.   pulvinar (def. 2).
 [1855-60; < L pulvinus cushion]
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