6587.attract(動)引起……注意、引誘
I waved to attract the waiter's attention.
我揮手希望能引起服務員的注意。

6588.attraction(名)吸引力
The city offers all kinds of tourist attraction.
這個城市有各種吸引游客的特點。

6589.attractive(形)有吸引力的
The meal looks attractive in photographs.
這餐點在照片上看起來很吸引人。

6590.auction (名)拍賣
The house was sold at auction.
那棟房子以拍賣方式售出。

6591.audio(形)音頻的
They hailed the advances of audio book.
他們歡呼著有聲書所取得的進步。

6592.audio-visual(形)視聽教學的
The school's audio-visual apparatus includes a new set of multi-media device, not to mention fifms,reoords，etc.
這所中學的視聽設備包括一套新的多媒體裝置，更不用說電影、錄音等設備了。

6593.auditorium(名)禮堂
The auditorium admits 800 persons.
這座禮堂可容納八百人。

6594.augment(動)增加
同義詞enlarge
They hit upon another idea to augment their income.
他們又想出一個增加收入的辦法。

6595.authentic(形)真正的
Can we taste some authentic Chinese food there?
在那兒我們能吃到真正的中國菜嗎？

6596.authority(名)權威
Children often begin to question their parent's authority at a very early age.
兒童往往在小小年紀就開始質疑父母的權威。

6597.authorize(動)授權
He authorized his secretary to sign letters in his absence.
他授權秘書在他外出時代為簽署信件。

6598.autobiography(名)自傳
How is your autobiography shaping up?
你的自傳寫得如何了？

6599.autograph(動)親自簽名
The players stopped outside the stadium to autograph.
運動員們停在體育場外為大家簽名。

6600.automatically(副)自動地
The lights will come on automatically when it gets dark．
天一黑，燈會自動亮起來。

6601.autonomy(名)自治權
The universities' autonomy is enshrined in their charters.
這些大學所持的特許證里明文規定了他們神圣的自治權。

6602.availability(名)有效；可利用性
You will receive the color you order, subject to availability．
如果有存貨，你將收到你訂購的顏色。

6603.available(形)可得到的
This information is easily available to everyone at the local library.
這些資料人人都很容易在本地的圖書館找到。

6604.avalanche(名)雪崩
Two skiers are still missing after yasterday's avalanche.
昨天雪崩以后，仍有兩個滑雪者失蹤。

6605.avenge(動)替……報仇
He wanted to avenge his father's murder．
他想報殺父之仇。

6606.aviation(名)航空
They pioneered in early aviation．
他們曾作為早期航空的先驅。

6607.await(動)等待
The boys sat down to await the arrival of the guests.
男孩們坐下來等客人到。

6608.awake(動)醒來
不規則變化awoke，awoken
Suddenly a loud noise awake us.
突如其來的一聲巨響把我們吵醒了。

6609.awaken(動)喚醒
We were awakened by a loud knock at the door．
敲門聲很大，把我們吵醒了。

6610.awakening(名)覺醒、意識
I have a rude awakening when I find myself on the verge of bankruptcy.
我發現自己已到了破產邊緣時才猛然意識到事情不妙了。

6611.aware(形)知道的
短語be aware of
I am well aware of the problems you face.
我很了解你面臨的問題。

6612.avareness(名)體認
People's avareness of healthy eating has increased in recent years.
近年來人們對健康飲食的意識提高了。

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

6614.awful(形)糟透的
同義詞terrible
We had an awful holiday.It rainerd every day.
我們的假期很糟糕，每天都在下雨。

6615.awkwardly(副)笨拙地
The young soldier saluted awkwardly.
那名年輕士兵笨拙地敬禮。

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

6617.axis(名)軸
The earth rotates on its axis．
地球繞地軸自轉。

6618.azure(形)天藍色的
On this vivid planet， it appears colorful with azure blue seawater, lush green plants and many world famous buildings.
在這個充滿活力的星球上，蔚藍的海洋，蔥翠的樹木以及許多世界著名的建筑物使它變得多彩多姿。

6619.baggy(形)寬松的
Please make it baggy style．
請做成寬松褲的樣式。

6620.bail(名)保釋金
The judge set the bail at 2000 dollars.
法官把保釋金定為2,000美元。