President pro tempore of the United States Senate
参议院临时主席;
参议院临时议长;
President Bush Delivers Commencement Address at the United States Merchant Marine Academy
布什总统在美国商业海运学院毕业典礼上的讲话;
Office of the President of the United States
美国总统办公室;
the office of the President of the United States faithfully
美利坚合众国总统职务忠实地;
Executive Office of the President of the United States
美国总统办事机构;