black gold
US /blæk ɡoʊld/
UK /blæk ɡoʊld/
1.
黑金, 石油
a colloquial term for petroleum or crude oil, referring to its high value and dark color
:
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The discovery of black gold transformed the nation's economy.
黑金的發現改變了國家的經濟。
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Many conflicts in the region are linked to the control of black gold.
該地區的許多衝突都與黑金的控制有關。