单词	adventitious vein
释义	adventitious vein noun : a vein appearing irregularly between the accessory and intercalary veins of the wings of certain insects Word History First Known Use 1878, in the meaning defined above
随便看	octuplest octuplet octuplets octuplicate octuplicates octupling octupole octyl octyl alcohol octylene octyls octyne ocul- ocular ocular sclerite ocular spectrum ocular spot ocularia ocularist ocularists ocularium ocularly oculars oculate oculauditory

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