congressional
(a.)會議的,議會的,國會的
Con·gres·sion·al a. Of or pertaining to a congress, especially, to the Congress of the United States; as, congressional debates.
Congressional and official labor. --E. Everett.
Congressional District, one of the divisions into which a State is periodically divided (according to population), each of which is entitled to elect a Representative to the Congress of the United States.
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congressional
adj : of or relating to congress; "congressional hearing"