at

美 [ət]
英 [ət]
  • prep.朝;向;在(某处);在(表示学习或工作地点)
  • abbr.(=astatine)【化】(=Air Transport)
  • 网络自动变速箱(Automatic Transmission);奥地利(Austria);砹
. at
prep.
1.
在(某处)used to say where sth/sb is or where sth happens
at the corner of the street
在街角
We changed at Crewe.
我们在克鲁换的车。
They arrived late at the airport.
他们晚到了机场。
At the roundabout take the third exit.
在环岛处走第三个出口。
I'll be at home all morning.
我一上午都在家。
She's at Tom's(= at Tom's house) .
她在汤姆家中。
I met her at the hospital.
我在医院遇见了她。
How many people were there at the concert?
音乐会上有多少人?
2.
在(表示学习或工作地点)used to say where sb works or studies
He's been at the bank longer than anyone else.
他在银行工作的时间比任何人都长。
She's at Yale(= Yale University) .
她在耶鲁大学。
3.
在(某时间或时刻)used to say when sth happens
We left at 2 o'clock.
我们在两点钟离开的。
at the end of the week
在周末
We woke at dawn.
我们在黎明醒来。
I didn't know at the time of writing(= when I wrote) .
我写的时候并不知道。
At night you can see the stars.
夜晚可以看见星星。
What are you doing at the weekend?
你打算周末干什么?
4.
在…岁时used to state the age at which sb does sth
She got married at 25.
她 25 岁结婚。
He left school at the age of 16.
他 16 岁中学毕业。
5.
向;朝in the direction of or towards sb/sth
What are you looking at?
你在看什么?
He pointed a gun at her.
他把枪口对着她。
Somebody threw paint at the prime minister.
有人朝首相泼油漆。
6.
(用于动词后,涉及未做成或未做完的事)used after a verb to show that sb tries to do sth, or partly does sth, but does not succeed or complete it
He clutched wildly at the rope as he fell.
他坠落时拼命想抓住绳子。
She nibbled at a sandwich(= ate only small bits of it) .
她一小口一小口地吃三明治。
7.
在…远;从相隔…远的地方used to state the distance away from sth
I held it at arm's length.
我伸直胳膊提着它。
Can you read a car number plate at fifty metres?
在五十米远处你能看清汽车牌吗?
8.
处于…状态used to show the situation sb/sth is in, what sb is doing or what is happening
The country is now at war.
这个国家正在打仗。
I felt at a disadvantage.
我觉得处于不利地位。
I think Mr Harris is at lunch.
我想哈里斯先生正在吃午饭。
9.
(用于速度、比率等)以,达used to show a rate, speed, etc.
He was driving at 70 mph.
他以每小时 70 英里的速度驾车行驶。
The noise came at two-minute intervals(= once every two minutes) .
每两分钟传来一次响声。
Prices start at $1 000.
起价 1 000 元。
10.
~ sb's/sth's best/worst, etc.
处于最佳(或最差等)状态;在全盛(或谷底等)时期used to say that sb/sth is as good, bad, etc. as they can be
This was Murray at his best.
这是穆雷的最佳表现。
The garden's at its most beautiful in June.
六月的花园最美丽。
11.
(与形容词连用,表示能力)在…方面used with adjectives to show how well sb does sth
I'm good at French.
我的法语很好。
She's hopeless at managing people.
她对人事管理一窍不通。
12.
(与形容词连用)因为,由于,对…used with adjectives to show the cause of sth
They were impatient at the delay.
他们对拖延不耐烦了。
She was delighted at the result.
她对这个结果感到高兴。
13.
应…(而);响应;回答in response to sth
They attended the dinner at the chairman's invitation.
他们应董事长之邀出席了宴会。
14.
(提供电话号码时用)used when giving a telephone number
You can reach me at 637-2335, extension 354.
你可以打 637-2335 这个电话号码,转分机 354 与我联系。
15.
(用于电子邮箱地址中的符号 @)the symbol ( @ ) used in email addresses

例句

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