单词	mortarboard
释义	mortarboard From Longman Dictionary of Contemporary EnglishRelated topics: Collegemortarboardmor‧tar‧board /ˈmɔːtəbɔːd $ ˈmɔːrtərbɔːrd/ noun [countable]  SECa black cap with a flat square top worn by members of some universities on formal occasions
随便看	Johns, Jasper Johnson Johnson Johnson Johnson Johnson Johnson Johnson Johnson Johnson Johnson Johnson & Johnson Johnson, Amy Johnson, Andrew Johnson, Boris Johnson, Jack Johnson, Lyndon B. Johnson, Magic Johnson, Martin Johnson, Michael Johnson, Samuel joie joie de vivre join join 'em

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