Since she wasat high school A. C. spent her summer vacations working with the Appalachia Service Project.自从A. C. 进入大学,她就利用暑假参与阿巴拉契亚的服务项目.The deposits is very similar to the Mississippi Valley Type deposits in Appalachian...

Appalachia的音标：Appalachia的英式发音音标为：[ˌæpə'leitʃjə]Appalachia的美式发音音标为：[ˌæpə'letʃiə, -tʃə, -'lætʃiə, -'lætʃə]...

阿巴拉契亚（美国东部一地区）...