dentistryKK [ˋdɛntɪstri] /ˈdɛntɪstɹi/名詞1牙醫學、牙科She studied dentistry for six years before opening her own clinic.她讀了六年牙醫學,之後才開了自己的診所。2牙醫工作、牙科治療Modern dentistry is far less painful than most people expect.現代的牙科治療遠比大多數人想像的不痛。