白宫

例句：

1. 1. The White House is the official residence of the President of the United States.
   白宫是美国总统的官方住所。
2. 2. The White House was the site of many historic events in American history.
   白宫曾是许多美国历史上的重要事件的发生地。
3. 3. The White House is a symbol of power and authority in the United States.
   白宫是美国政府权力和权威的象征。