black gold
US /blæk ɡoʊld/
UK /blæk ɡoʊld/
1.
ouro negro, petróleo
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.
A descoberta do ouro negro transformou a economia da nação.
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Many conflicts in the region are linked to the control of black gold.
Muitos conflitos na região estão ligados ao controle do ouro negro.