oil

The mechanic checked the car's engine oil level before the long trip.

(Chinese) 技工在长途旅行前检查了汽车发动机的机油油位。

The price of crude oil fluctuates according to international demand.

(Chinese) 原油价格随国际需求的变化而波动。

Heat some vegetable oil in the pan before adding the sliced ginger.

(Chinese) 在加入姜片之前，先在锅里热一些植物油。

She drizzled extra virgin olive oil over the fresh salad.

(Chinese) 她在新鲜沙拉上淋了一些特级初榨橄榄油。