详细解释:a. 华盛顿市的
英语解释：
名词 washingtonian:
a native or resident of the city of Washingtona native or resident of the state of Washington形容词 washingtonian:
of or relating to or in the manner of George Washingtonof or relating to the people who run the federal governmentof or relating to the capital of the United Statesof or relating to or in the state of Washington