单词	pervalvar axis
释义	pervalvar axis noun per·​valvar axis ¦pər, (ˈ)per+…- : the longitudinal axis of the frustule of a diatom Word History Etymology per- + valvar
随便看	sewages Sewall Wright effect sewan sewans sewant sewants Seward Seward Peninsula sewars sewed sewed shoe sewed up Sewee sewee bean sewees Sewell sewellel sewellels sewen sewens sewer sewer brick sewerage sewerages sewered

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