6587.attract(动)引起……注意、引诱
I waved to attract the waiter's attention.
我挥手希望能引起服务员的注意。

6588.attraction(名)吸引力
The city offers all kinds of tourist attraction.
这个城市有各种吸引游客的特点。

6589.attractive(形)有吸引力的
The meal looks attractive in photographs.
这餐点在照片上看起来很吸引人。

6590.auction (名)拍卖
The house was sold at auction.
那栋房子以拍卖方式售出。

6591.audio(形)音频的
They hailed the advances of audio book.
他们欢呼着有声书所取得的进步。

6592.audio-visual(形)视听教学的
The school's audio-visual apparatus includes a new set of multi-media device, not to mention fifms,reoords，etc.
这所中学的视听设备包括一套新的多媒体装置，更不用说电影、录音等设备了。

6593.auditorium(名)礼堂
The auditorium admits 800 persons.
这座礼堂可容纳八百人。

6594.augment(动)增加
同义词enlarge
They hit upon another idea to augment their income.
他们又想出一个增加收入的办法。

6595.authentic(形)真正的
Can we taste some authentic Chinese food there?
在那儿我们能吃到真正的中国菜吗？

6596.authority(名)权威
Children often begin to question their parent's authority at a very early age.
儿童往往在小小年纪就开始质疑父母的权威。

6597.authorize(动)授权
He authorized his secretary to sign letters in his absence.
他授权秘书在他外出时代为签署信件。

6598.autobiography(名)自传
How is your autobiography shaping up?
你的自传写得如何了？

6599.autograph(动)亲自签名
The players stopped outside the stadium to autograph.
运动员们停在体育场外为大家签名。

6600.automatically(副)自动地
The lights will come on automatically when it gets dark．
天一黑，灯会自动亮起来。

6601.autonomy(名)自治权
The universities' autonomy is enshrined in their charters.
这些大学所持的特许证里明文规定了他们神圣的自治权。

6602.availability(名)有效；可利用性
You will receive the color you order, subject to availability．
如果有存货，你将收到你订购的颜色。

6603.available(形)可得到的
This information is easily available to everyone at the local library.
这些资料人人都很容易在本地的图书馆找到。

6604.avalanche(名)雪崩
Two skiers are still missing after yasterday's avalanche.
昨天雪崩以后，仍有两个滑雪者失踪。

6605.avenge(动)替……报仇
He wanted to avenge his father's murder．
他想报杀父之仇。

6606.aviation(名)航空
They pioneered in early aviation．
他们曾作为早期航空的先驱。

6607.await(动)等待
The boys sat down to await the arrival of the guests.
男孩们坐下来等客人到。

6608.awake(动)醒来
不规则变化awoke，awoken
Suddenly a loud noise awake us.
突如其来的一声巨响把我们吵醒了。

6609.awaken(动)唤醒
We were awakened by a loud knock at the door．
敲门声很大，把我们吵醒了。

6610.awakening(名)觉醒、意识
I have a rude awakening when I find myself on the verge of bankruptcy.
我发现自己已到了破产边缘时才猛然意识到事情不妙了。

6611.aware(形)知道的
短语be aware of
I am well aware of the problems you face.
我很了解你面临的问题。

6612.avareness(名)体认
People's avareness of healthy eating has increased in recent years.
近年来人们对健康饮食的意识提高了。

6613.awe(名)敬畏
As a young boy, he was very in awe of his uncle．
小时候，他十分敬畏他叔叔。

6614.awful(形)糟透的
同义词terrible
We had an awful holiday.It rainerd every day.
我们的假期很糟糕，每天都在下雨。

6615.awkwardly(副)笨拙地
The young soldier saluted awkwardly.
那名年轻士兵笨拙地敬礼。

6616.ax(名)解雇
My colleague got the ax yesterday.
我的同事昨天被解雇了。

6617.axis(名)轴
The earth rotates on its axis．
地球绕地轴自转。

6618.azure(形)天蓝色的
On this vivid planet， it appears colorful with azure blue seawater, lush green plants and many world famous buildings.
在这个充满活力的星球上，蔚蓝的海洋，葱翠的树木以及许多世界著名的建筑物使它变得多彩多姿。

6619.baggy(形)宽松的
Please make it baggy style．
请做成宽松裤的样式。

6620.bail(名)保释金
The judge set the bail at 2000 dollars.
法官把保释金定为2,000美元。