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Copper is a reddish metal. Galena is a greasy-looking greyish-silver rock. I'd probably use my eyes.
They are very greasy.
Greasy hair is when your hair is slimy and greasy from all the hair products you put in it.
The butter was very greasy.
I can't come into the house because my shoes are all greasy.
Hair pomade will leave your hair greasy.
no, but there can be an allergy to A greasy food.