Military terms o

Office of Foreign Disaster Assistance 國(guó)外災(zāi)害救助處
    Office of Reconstruction and Humanitarian Assistance [ORHA] 重建及人道主義援助辦公室
    oil well 油井
    oilfields 油田
    Oil-for-Food Program 石油換糧食計(jì)劃　
    Operation Anaconda 蟒蛇行動(dòng)
    Operation Iraqi Freedom 伊拉克自由行動(dòng)
    Operation Thunder Run 奔雷行動(dòng)
    ordnance 火炮
    Organisation of Petroleum Exporting Countries (Opec) 石油輸出國(guó)組織
    oust *
    outlaw regime 非法政權(quán)
    outskirts 市郊
    Oval Office 白宮?圓形辦公室