at的意思和读音

at

: [ət] : [ət]

prep.);

abbr.(=astatine)(=Air Transport)

(Automatic Transmission);(Austria);

Adj.+n.at present

prep.on,next to,by the side of,by

atprep.

1.used to say where sth/sb is or where sth happens

at the corner of the street

We changed at Crewe.

They arrived late at the airport.

At the roundabout take the third exit.

I'll be at home all morning.

She's at Tom's(= at Tom's house) .

I met her at the hospital.

How many people were there at the concert?

2.used to say where sb works or studies

He's been at the bank longer than anyone else.

She's at Yale(= Yale University) .

3.used to say when sth happens

We left at 2 o'clock.

at the end of the week

We woke at dawn.

I didn't know at the time of writing(= when I wrote) .

At night you can see the stars.

What are you doing at the weekend?

4.used to state the age at which sb does sth

She got married at 25. 25

He left school at the age of 16. 16

5.in the direction of or towards sb/sth

What are you looking at?

He pointed a gun at her.

Somebody threw paint at the prime minister.

6.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.

She nibbled at a sandwich(= ate only small bits of it) .

7.used to state the distance away from sth

I held it at arm's length.

Can you read a car number plate at fifty metres?

8.used to show the situation sb/sth is in, what sb is doing or what is happening

The country is now at war.

I felt at a disadvantage.

I think Mr Harris is at lunch.

9.used to show a rate, speed, etc.

He was driving at 70 mph. 70

The noise came at two-minute intervals(= once every two minutes) .

Prices start at $1 000. 1 000

10.~ sb's/sth's best/worst, etc.used to say that sb/sth is as good, bad, etc. as they can be

This was Murray at his best.

The garden's at its most beautiful in June.

11.used with adjectives to show how well sb does sth

I'm good at French.

She's hopeless at managing people.

12.used with adjectives to show the cause of sth

They were impatient at the delay.

She was delighted at the result.

13.…();in response to sth

They attended the dinner at the chairman's invitation.

14.used when giving a telephone number

You can reach me at 637-2335, extension 354. 637-2335 354

15. @)the symbol ( @ ) used in email addresses

prep.1.,,;2.,3.,,...,...;...()4....5.6....7.8....9....10.,,1.,,;2.,3.,,...,...;...()4....5.6....7.8....9....10.,,

abbr.1.】(=astatine)2.(=Air Transport(ation))3.】(=ampere turn)4.(=antitank)5.(=Atlantic Time)6.(=alternative technology)7.(=appropriate technology)1.】(=astatine)2.(=Air Transport(ation))3.】(=ampere turn)4.(=antitank)5.(=Atlantic Time)6.(=alternative technology)7.(=appropriate technology)

prep.1.in a particular place; used for saying where you stop on a trip; sitting or standing close to something, especially in order to do something; in a particular part of a process, activity, program, or book2ed for saying that someone is doing something or taking part in an activity somewhere; used for stating what state or situation someone or something is in3ed for stating the exact time when something happens; used for saying when a particular situation exists; during a particular period; when someone is a particular age4ed for stating what makes someone react in a particular way5ed for showing the level of prices, temperatures, speeds, etc.6ed for stating the direction in which you look, point, or aim something7ed for stating what someone is trying to catch, hold, or hit8ed for showing that you repeat an action many times with small movements but without doing it completely9ed for stating the activity or subject that someone is skillful or not skillful in10ed for stating the phone number where someone can be reached. The British word is on1.in a particular place; used for saying where you stop on a trip; sitting or standing close to something, especially in order to do something; in a particular part of a process, activity, program, or book2ed for saying that someone is doing something or taking part in an activity somewhere; used for stating what state or situation someone or something is in3ed for stating the exact time when something happens; used for saying when a particular situation exists; during a particular period; when someone is a particular age4ed for stating what makes someone react in a particular way5ed for showing the level of prices, temperatures, speeds, etc.6ed for stating the direction in which you look, point, or aim something7ed for stating what someone is trying to catch, hold, or hit8ed for showing that you repeat an action many times with small movements but without doing it completely9ed for stating the activity or subject that someone is skillful or not skillful in10ed for stating the phone number where someone can be reached. The British word is on

abbr.1.[Chemistry](=astatine)2.(=Air Transport(ation))3.[Electricity](=ampere turn)4.(=antitank)5.(=Atlantic Time)6.(=alternative technology)7.(=appropriate technology)1.[Chemistry](=astatine)2.(=Air Transport(ation))3.[Electricity](=ampere turn)4.(=antitank)5.(=Atlantic Time)6.(=alternative technology)7.(=appropriate technology)

na.1.Atlantic Time

1. call v. at prep. ……();……(); in prep. …… ...

2.(Automatic Transmission)(MT)、AT)、(CVT)、

3.(Austria) AR AT AU ...

4.(AT),

6.…… at about…?…? at Aug. ) ...

7. call v. at prep. ……();……(); in prep. …… ...

8. surprise ) at prep. ););) try …

:,,,,

1.Calculated the way sales taxes usually are, the rate would have to be at least 30% and possibly much higher.30%,

2.It didn't look like a baby, in fact there seemed to be more than one set of eyes blinking back at him.

3.I did not know whether tomorrow will have to rain, if will rain, I will treat at home.5

4."We have at least one bespoke velvet jacket going through at the moment, " says Patrick Grant of Norton and Sons.“,”(Norton&Sons)·(PatrickGrant)

5.That means getting your heart rate up three times a week for at least a half hour each time.

6.In this post, we'll take a look at a few of those people and some of the things which they do to be unique from everyone else.

7.If we were at the beginning of an ordinary cyclical recovery, the combined fiscal and monetary policy response would be reasonable.

8.Anyway private company is not that dependable. Don't waste your money, at least deposit the living fee for half a year.

9.But it is surely now apparent that the protection of human rights in Afghanistan cannot ultimately be secured at the point of a foreign gun.

10.But just to make it concrete and to see what's at stake, consider the distribution of wealth in the United States.