鸦片    Opium

老有所为活动计划    Opportunities for the Elderly Project

反对独裁和支持民主    oppose dictatorship and support democracy

反对给予女村民享有「特殊土地权利」    opposed extending land privileges to indigenous women

反对加价    opposed the fare increase

反对人大释法    opposed to Beijing‘s decision to interpret the Basic Law

反对干细胞研究    opposes stem cell research

反对军事镇压学生    opposing military action against the students

反对转用广东话（教学）    opposing the switch to Cantonese

越来越多反对声音。    Opposition is mounting.

反对党领袖连战宣告选举无效。    Opposition leader Lien Chan demanded that Saturday‘s vote be annulled.

反对派领袖    opposition leaders

反对党    opposition party

反对党的支持者拒绝解散总统府外的集会，除非当局承诺就周末的台湾总统选举重新点票。    Opposition supporters on Monday refused to disband protests near the president‘s office until authorities agree to re-count Taiwan‘s weekend presidential election.

打压反对势力    oppress political opposition

暴行    oppressive conduct

视觉中心    optic centre

视神经    optic nerve

光盘/光盘    optical disc

光纤通信    optical fiber communication

眼镜店、眼镜配镜师    optician

选择火化遗体    opting for cremation

期权    options

验光师    optometrist

甲骨文    Oracle

甲骨文号称有五十亿元现金在手，每年营业额达九十亿元，对上一季的净收入增长百分之三十一。    Oracle boasts $5 billion cash on hand and $9 billion in annual revenues， and its net income increased 31%in the most recent quarter.

口腔    oral cavity

口服避孕药/口服避孕丸    oral contraceptives

口服药物    oral drugs

口交本身也有许多危险。    Oral sex carries plenty of

口腔外科医师    oral surgeon

口服补充剂    orally-consumed supplements

和黄去年全年盈利共一千一百七十三亿四千万元，大部分收益来自出售英国流动电话公司    Orange的股权。Hutchison made $117.34 billion last year， due mostly to a huge windfall from the sale of its stake in British mobile phone firm Orange.

轨道、轨迹    orbit

环绕太阳运行    orbit around the sun

果园    orchard

苦难的经历    ordeal

裁定案件永久终止聆讯    order a permanent stay of proceedings

迫令六万名员工停薪留职    order mandatory unpaid leave for 60，000 employees

判罚社会服务令    order the defendant to perform community service

花了二万五千美元订购移植用的肾脏    ordered a

下令加强对手提行李的例行检查    ordered more regular checks of carry-on luggage