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	ripeners ripeness ripenesses ripening ripenings ripens riper ripers ripes ripest ripgut ripgut grass ripicolous ripidolite ripieni ripienist ripienists ripieno ripienos ripier riping Ripley ripoffs Ripon Falls riposte

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