sandgroperWiktionary 原文英美构词拆解sandsand词干gropergroper词干词源说明From sand + groper. The sense “Western Australian” may originate either as a reference to the relatively large proportion of desert in the state or to gold mining during the rushes of the 19th Century.释义名词noun1Australia, humorousAn inhabitant of Western Australia.2Any species of the family Cylindrachetidae of subterranean insects, found in Australia, New Guinea and Argentina.