柯林斯詞典oilfield /???l?fi?ld/ (also oil field) (oilfields) 1. N-COUNT An oilfield is an area of land or sea under which there is oil. 油田 返回 oilfield劍橋詞典an area under the earth's surface where there is a large amount of oil 油田 the Saudi Arabian oilfields 沙特阿拉伯油田 返回 oilfield