1704922974
1704922975
引起短语作表语，表示状态或动作：
1704922976
1704922977
The country was at peace then; now it is at war．这国家那时处于和平时期，而现在则在打仗。
1704922978
1704922979
I knew she was not at ease．我知道她心情不安。
1704922980
1704922981
Summer is at its height．正处于盛夏时期。
1704922982
1704922983
He knew she was at her worst．他知道这正是她情绪最低的时候。
1704922984
1704922985
Mary was at the piano．玛丽在练钢琴。
1704922986
1704922987
They were at their meal．他们正在吃饭。
1704922988
1704922989
We were at school together．我们一块儿上学。
1704922990
1704922991
引起短语作状语，表示价格、数量和速度等：
1704922992
1704922993
I’ll buy the furniture at that price．我将以那个价格买这件家具。
1704922994
1704922995
He sells the cloth at a dollar a yard．他卖那种布，一美元一码。
1704922996
1704922997
The interest is at 20 per cent．利息是20％。
1704922998
1704922999
The train was going at its full speed．火车正全速前进。
1704923000
1704923001
I had a small room, at a cost of five dollars a night．我租了一间小房，每晚五块美金。
1704923002
1704923003
Please come at your earliest convenience．请在方便的情况下尽早来。
1704923004
1704923006
109 at—in—on
1704923007
1704923008
这三个介词都可用来表示地点。
1704923009
1704923010
大致说来，一个地点在脑中是一个点时，多用at，现列出一些at引起的地点状语，如：
1704923011
1704923012
at the club
1704923013
1704923014
at the door
1704923015
1704923016
at the desk
1704923017
1704923018
at the gate
1704923019
1704923020
at a party
1704923021
1704923022
at a meeting
1704923023
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