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单词 aster
释义 aster
 /as"teuhr/,  n.  
  1. any composite plant of the genus Aster, having rays varying from white or pink to blue around a yellow disk.
  2. a plant of some allied genus, as the China aster.
  3.  Cell Biol.   a structure formed in a cell during mitosis, composed of astral rays radiating about the centrosome.
  4.  Furniture.   sunflower (def. 2).
 [1595-1605; < L < Gk astér STAR]
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