2 文書を見つけるための辞書。

• potomac river, potomac
• ポトマク川
• a river in the east central United States; rises in West Virginia in the Appalachian Mountains and flows eastward, forming the boundary between Maryland and Virginia, to the Chesapeake Bay
• 米国東中部の川

• potomac
• ポトマク川
• term sometimes used to refer to Washington, D.C.
• ワシントンDCを表すのに使われることがある言葉