My mom buys cooking oil at the market.
我媽媽在市場買食用油。
The car needs oil, or it will not run smoothly.
這台車需要加油，否則不會運轉順暢。
We learned how oil and water do not mix in science class.
我們在自然課學到油和水不會混合。
Taiwan imports a lot of oil for cars and factories.
台灣進口大量的石油供汽車與工廠使用。