n.油田

field/battlefield/battleground/oilfield/frontier/field/hospital/area/zone/region/district
记忆：
1. field [ fi:ld ] n. 原野, 旷野, 领域, (一块)田地, 牧场, 域, 战场, 运动场 Madam Curie made great achievements in the field of radioactivity.居里夫人在放射领域取得了巨大成就。
2. battlefield [5bAt(E)lfi:ld] n. 战场 A soldier fights in more than battlefields.军人作战不只在战场。
3. battleground [ 5bAtl7^raund ] n. 战场 The village was turned into a battleground when the war broke out.战争爆发，村庄变成了战场。
4. oilfield n. 油田 More oilfields have been detected across China, which relieves the worry about the shortage of oil.中国又发现了更多的油田，这缓解了人们对石油短缺的担忧。
5. front [ frQnt ] n. 前面，前线 Hemingway went to the front at the risk of his life to cover the real battles.海明威冒着生命危险到前线去报道真正的战斗。
6. frontier [ 5frQntjE ] n. 国境, 边疆 You are prohibited from crossing the frontier without passport. 没有护照，你不能穿过边境。
7. field hospital 战地医院 Doctor Bethune worked hard at the field hospital.白求恩大夫在战地医院忘我地工作。
8. area [ 5ZEriE] n. 范围, 区域, 面积 What’s the area of the polluted areas?被污染了的地区面积有多大？
9. zone [ zEun ] n. 地域, 地带, 地区, 环带 We can’t get into the forbidden zone.我们不能进入禁区。
10. region [ 5ri:dVEn] A large, usually continuous segment of a surface or space; area n. 区域, 地方, (世界上某个特定的)地区 Mr. Li is a power in this region.李先生在这一带很有势力。
11. district [ 5distrikt ] A division of an area, as for administrative purposes. n. 区域, 地方, 管区, 行政区 Who was elected governor of the special district?谁是特区的当选长官？
另类阅读：
The war turned this field into a battlefield/battleground. There were some forbidden zones in this district. And a field hospital was set up near the frontier in the region.