petro-

comb form 构词成分 1 of petrol 石油的: petrochemical. 2 of rocks 岩石的: petrology.

pester, pesticide, pestilence, pestilent, pestle, pet, pet name, pet shop, pet subject, petal, petalled (US petaled), petard, peter, petit bourgeois, petite, petition, petitioner, petrel, petrifaction, petrify, petrochemical, petrodollar, petroglyph, petrography, petrol, petrol bomb, petrol fumes, petrol tank, petroleum, petrologist, petrology, petticoat, pettifogging, pettily, pettiness, pettish, pettishly, pettishness, petty, petty cash,