America's fifty states - 美国五十州

There are fifty states and Washington D.C.The last two states to join the Union were Alaska (49th) and Hawaii (50th). Both joined in 1959.

美国行政区划分为50个州和华盛顿特区。最后两个加入美国的州分别是阿拉斯加（第49个）和夏威夷（第50个），它们加入的年份都是1959年。

Washington D.C. is a federal district under the authority of Congress. Local government is run by a mayor and 13 member city council. Washington DC is represented in Congress by an elected, nonvoting Delegate to the House of Representatives and residents have been able to vote in Presidential elections since 1961.

华盛顿特区是由美国国会管辖的联邦区域，当地政府由市长和13个市议会组成。华盛顿特区在国会由一位民选议员代表，自1961年以来，美国众议院的非投票代表和居民都可以在总统选举中投票。

Puerto Rico is a commonwealth associated with the U.S. Its indigenous inhabitants are U.S. citizens. Puerto Ricans are unable to vote in U.S. Presidential elections but they do elect a nonvoting resident commissioner to the U.S. House of Representatives.

波多黎各是一个与美国有关联的联邦，它的土著居民是美国公民。波多黎各人虽然不能在美国总统选举中投票，但他们可以选举一位没有投票权的驻美国众议院委员。

Dependent areas: American Samoa, Baker Island, Guam, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Midway Islands, Navassa Island, Northern Mariana Islands, Palmyra Atoll, Puerto Rico, Virgin Islands, Wake Island.

附属地区：美属萨摩亚、贝克岛、关岛、豪兰岛、贾维斯岛、约翰斯顿环礁、金曼礁、中途岛、纳弗沙岛、北马里亚纳群岛、巴尔米拉环礁、波多黎各、维尔京群岛、威克岛。