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单词 aphid
释义 aphid
 —aphidian /euh fid"ee euhn/,  adj.  ,  n.   —aphidious,  adj.  
 /ay"fid, af"id/,  n.  
 any of numerous tiny soft-bodied insects of the family Aphididae of worldwide distribution, that suck the sap from the stems and leaves of various plants, some developing wings when overcrowding occurs: an important pest of many fruit trees and vegetable crops. Also called plant louse.
 [1880-85; back formation from APHIDES, pl. of APHIS]
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