Rust Belt (alsorustbelt)

• 1.  

  N-SING（单数型名词） In the United States and some other countries, the Rust Belt is a region which used to have a lot of manufacturing industry, but whose economy is now in difficulty. 铁锈地带; 指在美国等国家，原先有大量制造厂而现在面临经济困难的地区 ['the' N]

  例：

  ...in the rust belt of the Midwest.

  ...在中西部的铁锈地带。