petrodollar
构词拆分
词源说明
From petro- (prefix meaning ‘petroleum; oil export’) + dollar, possibly modelled after Eurodollar.
释义（英文）
名词 Noun
- (oil industry, chiefly in the plural, also attributively) Money (either notionally or specifically in dollars or other currencies) earned from the sale of oil, often especially as considered among a national economy's principal revenue streams.