11. oneself pron.自己
of oneself自动地
for oneself 亲自
（all） by oneself 单独，独自
talk to oneself=think aloud 自言自语
enjoy oneself 玩得开心
I am not myself today. 我今天身体不舒服。
Help yourself to some fish. 随便吃些鱼。
12. onlyadv./adj 仅仅
I am an only child. 我是独生子。
not only…but (also)… 不仅......而且......
only to do… 竟然......（表出乎意料）
13. opening n.开始，孔，缝隙，空缺的职位，机会，通路
There are several openings in the sales department. 销售部门有一些空缺的职位。
Have you attended the opening of the Olympic Games? 你参加奥运会的开幕式了吗？
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 操作中
The new rules will come into（开始工作，生效）operation from next week.
put sth. into operation/practice 实施......
15. opposev.反对，对抗
oppose sth
oppose doing sth
be opposed to sth/doing sth
She was/remained bitterly opposed to the idea of moving abroad.她强烈反对移居国外的注意。
16. opposite adj.相反的，对面的，对立的 adv.在对面 prep.在...对面 n.对立面，反义词
have the opposite opinion 持相反的观点
the opposite of heavy 反义词
There is a shop opposite our school.在我们学校对面有一家商店。
17. optimistic adj. 乐观的
take an optimistic view 抱有乐观的想法
be optimistic about…
18. orconj. 或者，否则
or=or else=otherwise 否则
or so 大约
either…or… 或…...或…...
whether…or/or not… 无论…...还是（不是）...…
Hurry, or you will be late. 快点，否则你要迟到了。
19. ordern.顺序，命令，订单 v. 命令，整理，订购
in/out of order 有序/有毛病
in order of time 按时间顺序
order（sb）to do 命令某人做某事
order that…(should)…
in order to do sth./that… 为了......
place an order for 订购......
order a dish/a car
May I take your order? 您点好菜了吗？
20. organise/organize v.组织
organisation n.组织
a well-organised trip 有组织的，有系统的
#英语学习心得# #英语共赏好句# #中英译美文# #英语祈使句用法# #情态动词有哪些# #分享学英语经验# #英语好句共赏,# #分享英语之美# #探讨英语之美# #英文该不该放弃#
