were there at the concert?音乐会上有多少人_? 2 used to say where sb
works or studies 在（学习或工作地点）：
He's been at
the bank longer than anyone else.
工作的时间比任何人都长。◊ She’s at rate
(=
在两点钟离开的。◊ at the end 〇/ the wee/c周未We wofce at dawn.备们在黎明醒来。◊ J didn’t fcmnv
at the time 〇< writing,(= when I wrote)•我写的时候并不知道。
◊
At night you can see the stars.夜晚可以鲁见星M。◊ (阶£) WTiat are you doing at
fhe weefctend?你打算周来干 什么？ 4 used
to state the age at which sb does sth A … >
时：She got married at 25.
_ 她 __25 岁结的婚。◊ He Ze片schoo〖 at the age 〇/ 26.他16岁读离开学裣。
5 in the direction of or towards Sb/sth 向；朝：What are you Zoofcing
at?你在看什么？ ◊
He pointed a gim at her•他把枪口对着她。◊ Somebody threw paint at the prime minister.有人朝首相扔油漆。6 used after a verb to
show that sb tries to do sth, or partly does sth, but does not succeed or
complete it (角于岛词后涉及未 做成或未做完的事）：He c〖utdie<i wfkHy at
the rope as he/eH.他坠落时拼命想抓住绳子。◊ She nibWed at
a sandw/ich'(= ate only small bits of it).她——/J.、小口地 .吃三明治。7 used to state the
distance away from sth 在…远；从相隔…远的地方：/ heZd it at arm’s 〖engt/i. 我伸直膊提輪它。◊ Can you read a
car number piate at_/W metres?在五十米远处你能看清汽车牌吗？ 8
used to show the situation sb/sth is in, what sb is doing or what is happening 处于.…状态：7?ie country is now at
war.这个i家正在打仗。◊ J/e〖t at a disadvantage•我觉 得处于不利地位。◊ J thinfc Mr
Harris is at 〖unch.我想哈 M斯先生i在皎午饭。9 used to show a rate,
speed, etc.(用于速度、比i等）以，达：He was driving at 70
mph.他以每小时70英里的速度驾车行驶。oTTie noise came at two-minute intervals (= once every two
minutes).毎两分钟传来一次闹声。10〜sb’s/sth’s best/
worst, etc. used to say that sb/sth is as good, bad, etc. as they
can be处于最佳（或最差等）状态；在全盛（或
谷底等）时期：Tftis was ffenman at
his best•这是亨曼 的碰佳表现。◊ The garden’s at its most fn
June.六扁品花园最美丽。11 used, with adjectives to show how well sb
does sth '(与形容词连用_，表示狀 况）在…方面：I’m good at French.我办法语很好。◊ She’s hopeiess
at managing people•她对人事管理一转 不通。12
used
with adjectives to show the cause of sth (与形容词连用）因为，由于，对…：TTiey were impatient at the de/ay.他们对拖延不耐烦了。She was ddighted at the resist. 4 iik 个结 M 她感到高兴。
13
(/brmfl/) in response to sth'应…（而）；响应;.回答： They attended the dinner at the chairman's invitation. 他们应董事长之邀出席了宴‘。14 used
when
giving a telephone number 提供电话号码时用）： Ybu can reach me at 637-2335, extension 354•你岢以打
637-2335这个电话号码，转分机354，与我联系。
15 (compwf/.ng 计）the symbol (@).
used in email ad- dresses (用于电手邮箱地址中的符号@ ) at that used when you are
giving an extra piece of information (提供额外信息时）而且还：He managed to buy a
car after all~and a nice one at
that.他终于设‘法买了一辆小
命车 而且还挺不错的。be ’at it again to be doing
sth, especially stli bad 正泰爾某事（尤指坏事）：Look at all that graffiti—those fcfds have been
at & again.瞧 瞧所有的那些涂鸦——又是那些孩f千的好事。，where ifs 'at (informal) a place or an
activity that is very popular or fashionable盛大活动（场倉;);流行活 (地方.）：Judging by the crowds waiting to
get in, this seems to be where ft’s at.从等待入场的人群来看，这好像
是个盛大I活动。
at.av.is.tic
/.aeta'vistik/
adj. {format) related to the
attitudes and behaviour of the first humans 返祖性的： an atavistic urge/fn5tim：t<fear 返祖倾向 /
本能；返祖性
畏惧
ataxia /e'taBksia/ (also ataxy /a'taeksi/) noun [U] {medical 医）the loss of full
control of the body’s movements 共济失调，运动灰调（表现为动作不稳、不协调.5) ► ataxic 坤.
ate pt of eat
-ate
st/所X 1 (in adjectives 构成形容词）full of or having the
quality of充_…的；有…哇质的：passionate充满