dissertationKK [ˏdɪsɚˋteʃən] /ˌdɪsɚˈteɪʃən/名詞1學位論文、博士論文She spent three years writing her dissertation on urban housing policy.她花了三年寫關於都市住宅政策的博士論文。2專題論文、專論正式He published a long dissertation on the origins of folk music.他發表了一篇探討民謠起源的長篇專題論文。