We then headed west towards the heartland of Poland.我们随后朝西前往波兰中部。We drove into Scotland's heartland.我们驶入苏格兰的中心地带。The region remains the country's industrial heartland.这一地区仍是该国的工业中心区。The party has lost seats in its traditional heartland of southern Thailand.该党在泰国南部这一传统势力范围已经失去了一些席位。