| 单词 | rust belt |
| 释义 | rust beltBrE /ˈrʌst belt/ NAmE /ˈrʌst belt/ noun (especiallyUS ) a region that used to have a lot of industry , but that has now decreased in importance and wealth , especially parts of the northern US where there were many factories that have now closed 锈带（尤指美国北部衰败或萧条的工业区） |
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