他对一名外交官说,如果允许他保留一个有争议的油田的一部分,他可能会撤出。
Sometimes, the ground at an oil field may subside as oil is removed.有时,油田的地面可能会随着石油的开采而下沉。
The development of the oil field on the North Slope of Alaska and the construction of the Alaska pipeline are examples of the great expense and difficulty involved in new oil discoveries.阿拉斯加北坡油田的开发,以及阿拉斯加地区输油管道的建设,就是在新石油资源的勘探中涉及到巨额开支和巨大困难的例子。