n.(国家或地区的)腹地，中心区域，(活动或政党的)重要场所，核心区域

原形：heartland复数：heartlands

Heartland is the soul of America, where small towns and vast farmlands stretch across the Midwest.
心脏地带是美国的灵魂，那里有小城镇和广阔的农田横贯中西部。
The heartland has always been known for its strong work ethic and resilient community spirit.
心脏地带一直以其强烈的工作道德和坚韧的社区精神而闻名。
Her novel vividly portrays the struggles of a family living in the heartland during the Great Depression.
她的小说生动地描绘了大萧条时期一个生活在心脏地带的家庭所面临的困境。
The heartland's agricultural output is crucial to the nation's food security.
心脏地带的农产品产量对国家的粮食安全至关重要。
Preserving the heartland's natural resources is vital for maintaining its ecological balance.
保护心脏地带的自然资源对于保持其生态平衡至关重要。
The heartland is not just about farming; it's also home to thriving industries like manufacturing and technology.
心脏地带不仅仅关于农业，它还是制造业和技术等蓬勃发展的行业的所在地。
The heartland's rich history can be seen in its historic landmarks and museums.
从心脏地带的历史地标和博物馆中，我们可以看到它丰富的历史。
Heartland residents take great pride in their heritage and traditions, celebrating annual festivals with enthusiasm.
心脏地带的居民对自己的传统和遗产深感自豪，每年都会热情地庆祝节日。
The heartland serves as a crossroads for major highways and railways, connecting different regions of the country.
心脏地带是主要高速公路和铁路的交汇处，连接着全国各地。
Despite being geographically distant from coastal cities, the heartland plays a significant role in shaping the nation's culture and identity.
尽管远离沿海城市，但心脏地带在塑造国家文化和身份方面发挥了重要作用。