Usages of el oro
El anillo de boda será de oro, pero la pulsera será de plata.
The wedding ring will be made of gold, but the bracelet will be of silver.
Se venden monedas de oro y de plata en ese mercado.
Gold and silver coins are sold in that market.
Estoy seguro de que recordarás esta boda el miércoles, porque tu sonrisa será de oro.
I am sure you will remember this wedding on Wednesday, because your smile will be golden.
El marco es de oro.
The picture frame is made of gold.
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