1. [表示存在或出现的时间、地点、场所、位置等]在，于
2. [表示引起某事发生的原因]因为，由于
3. 以…的方式
4. [表示现象，说明能力等所在的方面]关于，在…方面
5. [表示动作的对象、目标]向，朝，到，往，对着
6. 忙于，从事于
7. 经由，穿过，通过
8. 处于...中
9. 出席，参加
10. [在数额、程度、速度、比率、价格等方面]以，达
11. 从，从…的距离，从相隔(一段距离)的地方
12. [表示动作的方向，或表示 at 的宾语是某个行为的承受者]

1. 阿特（老挝的货币单位，等于1/100基普）
2. 基普（老挝货币基本单位）（=att）
3. 【化】砹（极不稳定放射性元素）

1. =antitank 对抗战车用的
2. =atlantic time 大西洋时间
3. =ampere-turn 【电】安匝，安培匝数
4. =airtight 密封的
5. =air temperature 气温
6. =astatine 【化】砹

1. (表示位置)在,于; 到达,达到; 经,由; 在…旁,靠近; 在…里; 在…上; 在…方位 a word that shows where; to; past, by; beside; in; on
2. (表示时间)在,在…时刻〔时辰,期间,阶段,时节〕; 在…岁时 a word that shows when; during
3. (表示状态)处于…状态,在…情况下 a word that shows state
4. (表示方式)以…的方式; 通过一次…的动作 a word that shows means
5. (表示原因)因为,由于; 由于有,由于应 … because of sth
6. (表示距离)从,在距离…处 a word that shows distance in space or time
7. (表示目标)朝,向,对着 towards sb/sth
8. (表示环境)出席,参加 a word that shows situation
9. (表示方向)在…方面 a word that shows how well sb/sth does sth
10. (表示比率)以…价格; 以…速度; 以…比率 a word that shows how much, how fast, etc.
11. (表示过程)从事于; 正处于做…的过程中 a word that shows what sb is doing or what is happening
12. (表示伴随)一…(就) a word that shows accordance

1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

2. 100 at equal 1 kip in Laos

1.在（某地）；在（某场合）
You useat to indicate the place or event where something happens or is situated.

e.g. We had dinnerat a restaurant in attleborough...
我们在阿特尔伯勒的一家餐厅里吃的饭。
e.g. He will beat the airport to meet her...
他将去机场接她。

2.在（上学）
If someone isat school or college, orat a particular school or college, they go there regularly to study.

at的翻译

e.g. He was shy and nervous as a boy, and unhappyat school...
他小时候既害羞又胆怯，在学校过得并不快乐。
e.g. It wasat university that he first encountered Hopkins...
他第一次遇见霍普金斯是在上大学的时候。

3.在…旁边；靠近
If you areat something such as a table, a door, or someone's side, you are next to it or them.

e.g. An assistant sat typing awayat a table beside him...
助手坐在他身旁的一张桌子上埋头打字。
e.g. Graham was alreadyat the door...
格雷厄姆已经在门口了。

4.从相隔（一段距离）的地方;呈…角度
When you are describing where someone or something is, you can say that they areat a certain distance. You can also say that one thing isat an angle in relation to another thing.

e.g. The two journalists followedat a discreet distance...
那两个记者谨慎地保持距离跟在后面。
e.g. The tree was leaningat a low angle from the ground.
那棵树倾斜得非常厉害。

5.在（某时间或时刻）
If something happensat a particular time, that is the time when it happens or begins to happen.

e.g. The funeral will be carried out this afternoonat 3.00...
葬礼将在今天下午3点举行。
e.g. He only sees herat Christmas and Easter.
他只有在圣诞节和复活节时才能见到她。

6.在（某一年龄时）；在…岁时
If you do somethingat a particular age, you do it when you are that age.

at的反义词

e.g. Blake emigrated to Australia with his familyat 13...
布莱克在13岁时随家人移民到了澳大利亚。
e.g. Mary Martin has diedat her home in Californiaat the age of seventy-six.
玛丽·马丁76岁时卒于加利福尼亚家中。

7.以，达（某一速度、频率、水平或价格）
You useat to express a rate, frequency, level, or price.

at的意思

e.g. I drove back down the highwayat normal speed...
我以正常车速沿公路返回。
e.g. Check the oilat regular intervals, and have the car serviced regularly...
定期检查汽油，并对车辆进行定期维护。

8.以，达（某一数量）
You useat before a number or amount to indicate a measurement.

e.g. Weighing inat eighty tons, the B-19 was easily the largest and most sophisticated warplane in the world.
B-19重达80吨，无疑是世界上最大、最先进的军用飞机。
e.g. ...as unemployment stays peggedat three million.
当失业人数维持在300万

9.朝（某人或某物看）；向（某人掷物）；冲（某人说话）
If you lookat someone or something, you look towards them. If you direct an object or a commentat someone, you direct it towards them.

e.g. He lookedat Michael and laughed...
他看着迈克尔笑了。
e.g. The crowds became violent and threw petrol bombsat the police...
人群变得狂暴起来，并向警察投掷汽油弹。

10.向，朝（某人微笑、招手等）
You can useat after verbs such as 'smile' or 'wave' and before nouns referring to people to indicate that you have put on an expression or made a gesture which someone is meant to see or understand.

e.g. She opened the door and stood there, frowningat me...
她打开门站在那里，朝我皱着眉头。
e.g. We wavedat the staff to try to get the bill.
我们向工作人员招了招手，想要买单。

11.（指）向…
If you point or gestureat something, you move your arm or head in its direction so that it will be noticed by someone you are with.

e.g. He pointedat the empty bottle and the waitress quickly replaced it...
他指了指空瓶子，女服务员立即重新拿了一瓶。
e.g. He gesturedat the shelves. 'I've bought many books from him.'
他指着书架说，“我已经从他那里买了不少书了”。

12.致力于;定位于;期望达到
If you are workingat something, you are dealing with it. If you are aimingat something, you are trying to achieve it.

e.g. She has worked hardat her marriage.
她努力维系着她的婚姻。
e.g. ...a $1.04m grant aimedat improving student performance on placement examinations.
旨在提高学生编班考试成绩的104万美元拨款

13.应（某人邀请或要求）
If something is doneat someone's invitation or request, it is done as a result of it.

e.g. She left the light on in the bathroomat his request...
她按照他的要求将浴室里的灯开着。
e.g. I visited Japan in 1987at the invitation of the Foreign Minister.
应日本外相的邀请，我于1987年访问了日本。

14.处在…状态
You useat to say that someone or something is in a particular state or condition.

e.g. I am afraid we are notat liberty to disclose that information...
恐怕我们无权透露这一信息。
e.g. Their countries had beenat war for nearly six weeks.
他们的国家陷入战争状态已将近6个星期了。

15.（用于所有格代词和形容词最高级前，表示某人或某物在此时的某一特征最鲜明）
You useat before a possessive pronoun and a superlative adjective to say that someone or something has more of a particular quality than at any other time.

e.g. He wasat his happiest whilst playing cricket...
玩板球时他最开心了。
e.g. Howards End is old fashioned film-makingat its best.
《霍华德庄园》是一部经典的老派电影。

16.以…方式
You useat to say how something is being done.

e.g. Three people were killed by shots firedat random from a minibus...
3个人被从一辆面包车中发射的乱弹打死了。
e.g. Mr Martin was taken out of his carat gunpoint.
马丁先生被人用枪指着从车里带了出来。

17.（表示某人重复做某事）
You useat to show that someone is doing something repeatedly.

e.g. She lowered the handkerchief which she had kept dabbingat her eyes...
她放下了那块一直用来擦眼睛的手帕。
e.g. Miss Melville took a cookie and nibbledat it.
梅尔维尔小姐拿起一块饼干小口吃起来。

18.在…方面（擅长）
You useat to indicate an activity or task when saying how well someone does it.

e.g. I'm goodat my work...
我对自己的工作得心应手。
e.g. Robin is an expertat cheesemaking...
罗宾是奶酪制作专家。

19.对…的反应
You useat to indicate what someone is reacting to.

e.g. Eleanor was annoyedat having had to wait so long for him...
埃莉诺为不得不等他这么长时间而感到很恼火。
e.g. The British team did not disguise their delightat their success...
英国队毫不掩饰他们获胜的喜悦。

20. at all -> see all

1. 奥地利：[地址]奥地利连津格 [申请人]连津格股份公司 [公开号]1233685 [国家省市]奥地利(at) [国际分类]D06M13/358 [摘要] *** (1) 本发明涉及一种处理可溶(lyocell)纤维素纤维的工艺,包括使用至少一种式1的化合物处理可溶(lyocell)纤维素纤维.

2. 砹：卤素是指元素周期表中的F,Cl,Br,I,at,其中,砹(at)为放射性元素,在产品中几乎不存在,前四种元素在产品中特别是在聚合物材料中以有机化合物形式存在. 目前应用于产品中的卤素化合物主要为阻燃剂:PPB,PBDE,TBBP-A,PCB,六溴十二烷,

3. 自动变速箱：变速箱类型: 手自一体变速器 (Tiptronic ) 自动变速箱(at)助力类型: 60A大容量电子助力转向系统(EPS) 电子液压助力

4.

4.at：an advanced technique; 先进技术

5.

5.at：automation testing; 自动测试系统

6.at：automatic transmission; 自动变速器

7.

7.at：artificial intelligent technologies; 人工智能

1. He was not at his office.
   他不在办公室。
2. He arrived at a little village last night.
   他昨天夜里到达一个小村庄。
3. He was standing at the door.
   他正站在门边。
4. There was a symphony concert at the music hall.
   音乐厅里有一个交响乐音乐会。
5. I sat at the back of the room.
   我坐在房间后面。
6. The meeting will open at 15:00.
   会议在下午三点钟开始。
7. Someone will knock on your door at midnight tonight.
   今晚午夜时分会有人敲你的门。
8. at the beginning of June an event occurred.
   六月初发生了一件事。
9. Staying up late will do you harm at your age.
   在你这样的年纪熬夜有害健康。
10. The children used to send me a card at Christmas.
    孩子们过去常常寄圣诞卡给我。
11. The soldiers are standing at attention.
    士兵们立正站着。
12. The roof is at a right angle to the walls.
    房顶和墙壁成直角。
13. I was there at a bound.
    我纵身一跃就到了那里。
14. He covered the distance to his house at a run.
    他一口气跑完了通往他家的路程。
15. We were frightened at the terrible sight.
    看到这可怕的景象,我们被吓呆了。
16. An extra book may be borrowed at the discretion of the librarian.
    图书管理员可以斟酌决定是否可以额外借阅一本书。
17. at the suggestion of our parents, we deferred the visit to the museum until the following day.
    根据我们父母的建议,我们将参观博物馆一事推迟到第二天。
18. I saw it at a distance.
    我从远处看见了它。
19. They opened fire at a range of 200 yards.
    他们在200码的射程处开火。
20. Somebody is knocking at the door.
    有人在敲门。
21. He threw the key at me.
    他把钥匙丢给了我。
22. I remember him at a banquet on that night.
    我记得那天晚上他参加了一个宴会。
23. She is good at describing things or expressing ideas.
    她善于描述事物或表达思想。
24. What do five books cost at two dollars a book?
    两美元一本的书,五本价钱是多少?
25. He is driving at (the rate of) seventy miles an hour.
    他正以每小时70英里的速度行驶。
26. The ship was going at full speed when it hit the rock.
    该船在全速行驶时触礁。
27. I must go and see what those children are at.
    我得去看看那些孩子们在干什么。
28. They were at their meal.
    他们正在吃饭。
29. at the sight of her appearance on the stage, the hall rang with thunderous applause.
    一看见她出现在舞台上,大厅里就掌声雷动。
30. They were gloomy at the thought of what they had to face.
    他们一想到不得不面对的事实就感到沮丧。

• at a point given A, to make a right line AG.

  出自：I. Barrow

• I..found the major sitting at a table in the bare room.

  出自：E. Hemingway

• The young chimpanzee was sitting at the back of the cage.

  出自：N. Balchin

• She said no more except to utter a brief thanks when Joanna put her down at her door.

  出自：J. Cary

• The dog's scraping at the door.

  出自：S. Ullmann

• I have often been at the receiving end of calls for help from this Unit.

  出自：R. Quirk

• The cricket field at the centre of the scene.

  出自：J. I. M. Stewart

• at the very centre of a major area of modern thought and practice..is a concept 'culture'.

  出自：R. Williams

• at the start of the poem the speaker thinks he sees his dead wife brought to him; at the end only his 'night' is brought back.

  出自：A. Burnett

否定表达

A：My advice would be to finish itat once.
我的建议是立刻做完。

B：It’s unnecessary.
B：没必要。

道歉

at的翻译

A：Please excuse my careless words.
请原谅我那些无心的话

B：It doesn’t matterat all.
一点也没有关系

放松

A：Kick back, make yourselfat home.
请放轻松，像在自己家里一样。

B：Thanks.
谢谢。

1. in与at的比较：用于地方时，at指较小的地方，如指城镇时，in指较大的地方，用于省、国家、大陆前。国际大都市前用at 和in都有，但在London前通常用in。在指说话人的住处时要用in，且一般in表示实在的存在，而at却不是。说到某大城市的某大建筑物，往往在大城市名称的前面用at，如the Pantheon at Rome。说到商店、机关、学校等，假使看作一个地点（point)用at。假使看作一个场所(place)用in，the barber's (理发店），Green's (Green所开的店）等前面只用at，不用in。说到门牌用at，如live at 1184 Zhongshan Road，路名前面该用in，而说“在……路口”用at；
2. 用于时间时，可表示时刻，如at night，at three o'clock，at dawn，at any time等。也可表示较短的时期，如at night，at the beginning of the month等，其中at night表示时刻时意为“在薄暮”，表示较短的时期时意为"在夜里"，通常指黄昏或上半夜；
3. at用于信封地址前可指“转交”。

   Mike at 99 Zhongshan Road Shanghai.
   Mike经常不在上海中山路99号，请予以转交。

4. at用于一些动词后面表示某种情绪、非语言交流或攻击性行为，如smile at me，point at me，shout at you等；
5. arrive后面一般都接in或at，而不接to，如When did you arrive in New Zealand?而不是to New Zealand；
6. at five years old和at five miles distant里用at，可改作at five years of age或at the age of five years和at five miles' distance，这种用法较为普遍。

at, in, on

1.at,in和on都可表示时间。at通常指确切的某个时刻,如at six o'clock; in通常表示一天的某一部分,如in the morning〔evening,afternoon〕; on则具体说明哪一天的上午或下午,如on Monday morning,on a summer's day。在谈论节日时,at通常指整个的节〔假〕日,不只指一天,如at Easter 在复活节,at Christmas 在圣诞节; on可具体指节日的某一天,如on Easter Monday 在复活节后的星期一,on Christmas Day 在圣诞节(那天)。在谈论月份、季节、年份或世纪时,通常用介词in,如in the eighteenth century 在18世纪,in summer 在夏天,in March 在三月,in 1985 在1985年。

2.at,in和on都可表示地方、位置。at多用于指空间某一点; in用来指有大小、体积和幅度的一个地方或位置。

3.at the weekend 在周末(英国用法); on the weekend 在周末(美国用法)。

at, after, by, for, from, over, through, with

这组词都可表示原因。其区别在于:

1.after是由其指时间的本意引申而来,含有明显的因果关系,可译为“经过…之后(所以)”; by是由其指方法、手段的本意引申而来,意思是“通过…手段〔途径〕(而产生某种结果)”; through是由其指媒介的本意引申而来,常指偶然或意外的原因,强调其不利或消极的因素; from是由其指起源、根源或由来的本意引申而来,可以是事物发生的原因,也可以是行为产生的动机; at一般指看到、听到或感觉到客观事物而产生某种感情、情绪、态度或行为的原因; for一般指由于客观原因(如举止、言语等)而导致某种结果; over常指造成某种情感的客观事物或原因; with是从其表示手段的含意引申而来的,指由于外界刺激而造成的精神上的或身体上的某种状况。

2.through后常接抽象名词; at常与angry, annoyed, astonished, mad, sad, shocked, marvel, wonder等形容词或动词搭配; for常与famous, well-known, admire, apologize, blame, punish, thank等形容词或动词搭配; over往往与cry, grieve, laugh等表示情绪的动词连用; with常常与表示感情的形容词(如affected, angry, excited, fatigued, pleased, tired等)、生理状况的形容词(如blind, ill, mad, numb等)和颜色的形容词(如blue, grey, green, livid, red等)或是表示身体运动的动词(如burst, shiver, shudder, tremble等)搭配。

3.在英式英语中,引起感情、心理刺激的如果是人或物,通常用with; 如果是言行或事件,则通常用at。

at, beside

这两个词都有“在…旁边”的意思。其区别在于:at表示有目的的接近; beside表示偶然的靠近。

at, by

这两个词都可表示“按照”“根据”“依照”“依从”。其区别在于:

1.at多接抽象名词; 而by多接具体名词。

2.这两个词都有“按…计算”的意思,不过by用于英式英语; at用于美式英语。

at, to

这两者均可表示方向, to一般是善意的; at含有寻衅的意味,往往是恶意的。例如:

The boy throws a bone to the dog.

那小孩扔了一块骨头给狗。(善意)

The boy throws a bone at the dog.

那小孩把一块骨头扔到狗身上。(恶意)

at，in，on

这些前置词在表示地点或时间时均含“在……”之意。

at表地点时，指空间位置上的某一点；表时间时，指在时间上的某一时刻。

in表地点时，指在某一立体空间范围内；表时间时，指一段时间或与年、月、季节时间连用。

on表地点时，指某物与另一物表面相接触，或与某地方接壤等；表时间时，指在某一天或某一天的某个时间，尤指在星期几。

• ☆ 直接源自古英语的at；最初源自原始印欧语的ad，意为靠近，在……附近。