翻译"obama's "sworn in " makes it official that he is now the president "

翻译"obama's "sworn in " makes it official that he is now the president "
翻译"obama's "sworn in " makes it official that he is now the president "

翻译"obama's "sworn in " makes it official that he is now the president "
Obama's "sworn in " makes it official that he is now the president.
奥巴马的“宣誓就职”使其正式成为（美国）总统.

奥巴马关于他正式成为总统的宣誓