A adaugat putin ulei de masline in salata inainte sa o serveasca.
She added a little olive oil to the salad before serving it.
Uleiul de motor al masinii trebuia schimbat la fiecare zece mii de kilometri.
The car engine oil needed changing every ten thousand kilometres.
Tabloul in ulei al pictorului era expus in centrul galeriei.
The painter's oil painting was displayed in the centre of the gallery.
