A2 noun /ˈɒbdʒɪkt/

object

物体

Meaning

a thing that can be seen and touched

Example

The table is an object in the room.

桌子是房间里的一个物体。

A2 adjective /əˈlɪmpɪk/

olympic

奥林匹克

Meaning

related to the Olympic Games, a major international sporting event

Example

She trained hard to compete in the Olympic Games.

她努力训练，为了参加奥林匹克运动会。

A2 preposition /ˈɒntu/

onto

在…上

Meaning

moving to a position on the surface of something

Example

She jumped onto the table to get the book.

她跳到桌子上去拿书。

A2 noun /ˈoʊ.nər/

Owner

所有者

Meaning

a person who owns something; someone who has legal possession of property

Example

The owner of the restaurant greeted us warmly.

餐厅的所有者热情地迎接了我们。

A2 adjective /ˈɒb.vi.əs/

Obvious

显而易见的; 容易理解的

Meaning

easily perceived or understood; clear and apparent to the mind

Example

It was obvious that she was upset about something.

很明显，她因某事而不高兴。

A2 adverb /ˈɒbviəsli/

obviously

显然

Meaning

in a way that is easily perceived or understood; clearly

Example

Obviously, he didn’t read the instructions.

显然，他没有读说明书。

A2 noun /ˈɒf.ɪs/

office

办公室

Meaning

a room or building where people work, usually at desks

Example

She left the office early to attend a family event.

她提前离开办公室去参加家庭活动。

A2 noun /ˈɔr.dər/

Order

命令; 顺序

Meaning

a command or instruction; the arrangement of things following a particular sequence

Example

The teacher gave an order to sit down quietly.

老师下达了安静坐下的命令。

A2 adjective /ˈaʊtdɔːr/

outdoor

户外

Meaning

situated, existing, or done outside a building

Example

We planned an outdoor picnic for the weekend.

我们计划了一个户外野餐，周末进行。

A2 noun /ˈoʊ.ʃən/

ocean

海洋

Meaning

A very large expanse of sea, especially the main areas of sea between continents.

Example

The ocean covers more than 70% of the Earth's surface.

海洋覆盖了地球表面超过70%。

A2 adjective /ˈɔː.dɪ.nər.i/

Ordinary

普通的; 常见的; 不特别的

Meaning

normal; usual; not special

Example

It was just an ordinary day at the office.

那只不过是办公室里的普通一天。

A2 noun /ˈɒpərə/

opera

歌剧

Meaning

a dramatic performance in which the actors sing most of their lines

Example

We watched a beautiful opera at the theater last night.

我们昨晚在剧院观看了一场美丽的歌剧。

A2 adjective /ɒd/

Odd

奇怪的; 不寻常的; 不同于正常或预期的

Meaning

strange; unusual; different from what is normal or expected

Example

That's an odd way to solve the problem.

那是解决问题的一种奇怪方式。

A2 noun /əˈlɪmpɪks/

olympics

奥林匹克运动会

Meaning

an international sports competition held every four years with athletes from many countries

Example

The Olympics bring athletes from all over the world together.

奥林匹克运动会将全世界的运动员聚集在一起。

A2 verb /oʊˈbeɪ/

obey

服从

Meaning

to follow orders or instructions; to comply with rules

Example

Children should obey their parents and teachers.

孩子们应该服从父母和老师的命令。

A2 noun əˈlɪm.pɪk ɡeɪmz

Olympic Games

奥林匹克运动会

Meaning

The world's largest international sports competition held every four years, bringing together athletes from different countries to compete in various sports.

Example

The Olympic Games bring together the world's top athletes.

奥林匹克运动会汇聚了世界上最顶尖的运动员。

A2 noun /ɔɪl/

Oil

油

Meaning

a viscous liquid derived from petroleum or plants, used for cooking or fuel

Example

Heat the oil in a pan before adding the vegetables.

在加菜之前先把油加热。

A2 adjective/adverb /ˈɒnˌlaɪn/

online

在线

Meaning

connected to or available through the internet

Example

I prefer shopping online rather than going to stores.

我更喜欢网上购物，而不是去商店。

A2 noun /ˈɒm.lət/

Omelet

煎蛋饼

Meaning

a dish made from beaten eggs cooked in a frying pan and often folded around a filling

Example

She made a cheese omelet for breakfast.

她做了一个奶酪煎蛋饼作为早餐。

A2 adjective /ˈɑp.ə.zɪt/

Opposite

相反的; 完全不同的; 面对面; 反向的;

Meaning

Contrary; completely different; facing each other; reverse;

Example

They have opposite views on politics but remain good friends.

他们在政治上的观点相反，但仍然是好朋友。

A2 noun /ˈoʊpənɪŋ/

opening

开幕

Meaning

an act or instance of beginning something

Example

The opening of the new store was a huge success.

新店的开业是一个巨大的成功。

A2 noun /ˈʌv.ən/

Oven

烤箱

Meaning

an enclosed compartment used for heating, baking, or drying food

Example

She baked cookies in the oven for thirty minutes.

她在烤箱里烤了三十分钟的饼干。

A2 pronoun /aʊərˈsɛlvz/

ourselves

我们自己

Meaning

used by the speaker to refer to themselves and one or more others as the object of the verb

Example

We should help ourselves before helping others.

我们应该在帮助他人之前先帮助自己。

A2 verb /ˈɔːfər/

offer

提供

Meaning

to present something for acceptance or rejection; to propose

Example

She offered to help with the project.

她提出帮助这个项目。

A2 noun /ˈʌn.jən/

Onion

洋葱

Meaning

a round vegetable with a strong taste and smell, made up of many layers

Example

I need to chop some onions for the curry recipe.

我需要切一些洋葱来做咖喱菜谱。

A2 adverb; noun /ˌaʊtˈdɔːrz/

outdoors

在户外

Meaning

outside a building; the natural environment outside

Example

We spent the whole afternoon outdoors enjoying the fresh air.

我们整个下午都在户外享受新鲜空气。

A2 modal verb /ɔːt/

ought

应该

Meaning

Used to indicate duty, correctness, or moral obligation.

Example

You ought to respect your elders.

你应该尊重长辈。