swearing-in
noun [ S ] uk/ˌsweə.rɪŋˈɪn/ us/ˌswer.ɪŋˈɪn/
宣誓就职
an official ceremony in which someone starting a new official job formally promises to be loyal and honest and to perform their duties well
She had a good seat at the president's swearing-in ceremony. 在总统宣誓就职的典礼上，她有一个位置很好的座位。