资料来源 : WordNet®

Secretary of Transportation
     n 1: the person who holds the secretaryship of the Department of
          Transportation; "Johnson appointed Alan S. Boyd as the
          first Transportation Secretary" [syn: {Transportation
          Secretary}]
     2: the position of the head of the Department of
        Transportation; "the post of Transportation Secretary was
        created in 1966" [syn: {Transportation Secretary}]