楼主看看这段话就没什么问题了
The conterminous United States may be divided into several regions: the New England states (Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut), the Middle Atlantic states (New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, and West Virginia), the Southeastern states (North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Louisiana, Arkansas, Tennessee, and Kentucky), the states of the Midwest (Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, and Missouri), the Great Plains states (North Dakota, South Dakota, Nebraska, and Kansas), the Mountain states (Montana, Idaho, Wyoming, Colorado, and Utah), the Southwestern states (Oklahoma, Texas, New Mexico, and Arizona), and the states of the Far West (Washington, Oregon, California, and Nevada).