flyover
/ˈflaɪˌəʊvə(r)/noun
1
- chiefly Brit. a bridge carrying one railway line or road over another〈主英〉铁路跨线桥; 公路立交桥, 高架公路。
2
3
- as modifier US informal, derogatory denoting central regions of the US regarded as less significant than the East or West coasts〈美, 非正式, 贬〉中部地区的：
his appeal extends way beyond the Bible Belt and the flyover states.
他的呼吁的传播范围远远不止圣经地带和中部各州。