O 1. object n. 物品，宾语 v. 不同意 everyday objects 日常物品 her object in life=aim 目标 object to n./doing… 反对;不同意 Many local people objected to building the new airport. objective adj. 客观的 2. ◎ observe v.观察，监视，观测 observe sb do sth观察某人做某事; observe sb doing sth 观察某人在做某事 observe sth done 观察某事被做 observed Christmas Day/one’s birthday 庆祝… observe the law 遵守… 3. ●obtain vt/vi 获得;得到;存在 1).obtain advice/information/permission 2).These customs no longer obtain. 4. ◎ occupy v.居住;占有，占用(时，空);占领 The house is occupied. …有人住 The bathroom is occupied. …有人用 The dinner occupied 2 hours. Many anxieties occupied his mind. occupy oneself with sth/in doing sth忙于某事 5. ●occur vi (occurred, occurred) - happen发生 1).When exactly did the accident occur? 2). Sth occurred to/hit/struck sb. 出现在头脑中，被想到 The idea occurred to him in a dream. 3).It occurred to me that I had left my keys in the room. It didn’t occur to her to ask for help. 6. offer n./v. 主动提议 He offered 5000 dollars for the car. 出价 offer sb. sth./sth. to sb. 主动给 offer to do… 提出做 supply sb. with sth./supply sth. to sb. provide sb. with sth./provide sth. for sb. Thanks for your kind offer of help. 7. office n. 办公室，办公楼 officer n. 警官，军官 office building/block 办公大楼 hold office 占据要职 in office/out of office 任职/离职 The present government took office in 1997. 开始执政 8. official adj. 官方的，正式的 n. 高级官员 the official language 官方语言 an official affair 公务 9. once adv. 一次 conj. 一旦 all at once=suddenly 突然 at once 立即，同时 (just) for once/just this once 仅此一次 Once bitten, twice shy. 一朝被蛇咬，十年怕井绳。 once more=once again 再一次 once upon a time 从前，很久以前 (every) once in a while 偶尔，间或 10. one one by one 逐个的 one after another 一个接一个 one another 相互 11. oneself of oneself 自动地 for oneself 亲自 (all) by oneself 独自 talk to oneself=think aloud 自言自语 enjoy oneself 玩得开心 I am not myself today. 身体不舒服 Help yourself to some fish. 随便吃 12. only adv./adj 仅仅 I am an only child. 独生子 not only … but (also) … only to do… (意想不到的)结果... 13. ●opening a).孔，洞，缝隙 b).开放，展开 c).空缺的职位 d). 开始，开端 e).开幕式，落成典礼 1).There are several openings in the sales department . 2).The movie has an exciting opening . 3).Have you attended the opening of the Olympic Games ? 4).We could see the stars through an opening in the roof . 5).It’s nice to see the opening of a flower . Opening hours/time(营业时间) his opening remarks (他的开场白) 14. operate v. 操作，手术 operate a computer 操作电脑 operating system (计算机)操作系统 operate on a patient 给病人手术 operating table 手术台 operation n. 操作，手术 in operation 工作中 The new rules will come into operation from next week. 开始工作，生效 put sth. into operation/practice 实施
高考网权威发布2017年高考英语常用3500个词汇解析：O，更多2017年高考英语常用3500个词汇解析相关信息请访问高考网。