单词	sandbur
释义	sandbur noun sand·​bur ˈsan(d)-ˌbər  : any of a genus (Cenchrus) of grasses producing spikelets enclosed in ovoid spiny involucres that form burs also : one of these burs Word History First Known Use 1830, in the meaning defined above
随便看	displacement displacement angle displacement current displacement law displacement pump displacement theory displacements displacency displacer displacers displaces displacing displacive displant displanted displanting displants display display advertising display artist display key display line display pipe display window displayable

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