(alsoheartlands) [] an area where an activity or an organization is especially successful, popular or important核心区域；重要地带◆the industrial heartlands of Germany德国工业的核心区域◆the heartland of the automobile business汽车业的核心区域⨁the agricultural / industrial / manufacturing heartland农业／工业／制造业核心区域a place which is considered to be at the centre of a country or region（国家或地区的）中心地带；腹地◆a dairy company in America's heartland一家位于美国中心地带的乳制品公司