单词 阿巴拉 例句 DEFINITIVE EXAMPLES 权威例句〔Appalachia〕A region of the eastern United States including the Appalachian Mountains.阿巴拉契亚:美国东部包括阿巴拉契亚山脉在内的地区美国传统〔Piedmont〕A plateau region of the eastern United States extendi...