To harvest oil and gas profitably from the North Sea, we must focus on the exploitation of small reserves as the big wells run dry.
由于大油井的枯竭，要想从北海有利地获取石油和天然气，我们必须集中精力于小储量油井的开采。
《柯林斯英汉双解大词典》
2
In case, you suffer from dry and itchy skin, massage your face and other exposed arms and legs with pure almond oil.
如果你的皮肤干燥发痒，用纯杏仁油按摩你的脸和其他裸露的胳膊和腿。
3
The supply of oil can be shut off unexpectedly at any time, and in any case, the oil wells will all run dry in thrty years or so at the present rate of use.