6517.approval(名)赞成
Everybody gave his approval to the proposal.
人人都赞成他的提议。

6518.approve(动)
后接介词of
Her parents don't approve of her friends.
她父母不喜欢她的朋友。

6519.approximately(副)大约
It's approximately fifty miles from here．
离这里大约五十英里。

6520.apron(名)围裙
An apron keeps his clothing unstained.
围裙使他的衣服保持原样。

6521.aptitude(名)天质
She has an aptitude for learning languages.
她有学语言的天分。

6522.aquarium(名)水族馆
The first time I saw seals was in an aquarium．
我第一次看见海豹是在水旅馆里。

6523.arbitrary(形)随心所欲的、武断的
This is an arbitrary decision.
这是一个武断的决定。

6524.archaeology(名)考古学
The newspaper article waked my interest in archaeology．
报纸上的文章激起了我对考古学的兴趣。

6525.archive(名)资料库
The council decided in December 1992 to set up the Hong Kong Film Archive at an estimated cost of $198 million．
1992年12月，当时的市政局决定成立香港电影资料馆，预算费用为1.98亿元。

6526.arctic(名)北极地带
Equip for service in the arctic．
准备好在北极使用的装备。

6527.ardent(形)热烈的
He was an ardent supporter of the Government．
他曾热烈支持政府。

6528.arena(名)活动场所
A member of congress works in the potitical.
国会议员在政界活动。

6529.arise(动)出现、升起
不规则变化arose,arisen
If any problems arise, let me know.
如果出现问题，请告诉我。

6530.aristocrat(名)贵族
Many aristocrat were killed during the revolution．
在革命中许多贵族被杀死。

6531.arithmetic(名)算术(形)算术的
(名):I'm not good at mental arithmetic．
我不太善于心算。
(形): He is good at arithmetic questions.
他擅长于算术的题目。

6532.armor(名)盔甲
Armor is made of such sheet metals.
盔甲用薄金属片制成。

6533.arrangement(名)安排
Come round this evening and we'll make arrangement for the party.
你今晚过来，我们为聚会做筹备工作。

6534.array(动)打扮
The children were array in pretty woollen sweaters．
孩子们穿着漂亮的羊毛衫。

6535.arrear(名)拖欠金额
The payment is six months in arrear．
付款已拖欠6个月了。

6536.arrogant(形)自大的
He is indeed arrogant enough.
他的确是自大得可以。

6537.arrow(名)箭
The arrow pierced his shoulder.
那枝箭刺入他的肩膀。

6538.artery(名)动脉
Blood was spouting from the severed artery.
血从切断的动脉里喷出来。

6539.airtculate(形)清晰的
A baby cannot use airtculate speech.
婴儿发音不清晰。

6540.airtillery (名)大炮
The airtillery gave us covering fire.
炮火掩护着我们。

6541.ascend(动)上升
同义词rise
He watched the airplane ascending higher and higher.
他看到飞机飞得越来越高。

6542.ascertain(动)查明
The police are trying to ascertain what happened.
警方正设法查个水落石出。

6543.ascribe(动)把……归属于
后接介词to
Many people ascribe this play to Shakespeare.
许多人认为此剧是莎士比亚的作品。

6544.aspect(名)方面、观点
后接介词of
What are the main aspects of your job?
你的工作主要有哪些方面？

6545.aspiration(名)志向、抱负
The generalship was his aspiration．
将官之职位是他梦寐以求的志向。

6546.aspire(动)渴望
Many unknown writers aspire to fame．
许多无名作家都渴望成名。

6547.aspirin(名)阿斯匹灵
The doctor told him to take two tablets of aspirin before every meal.
医生告诉他每天饭前吃两片阿斯匹灵。

6548.aspiring(形)追求……的
后接介词to
Being aspiring to great knowledge is not easy．
追求渊博的知识不是件简单的事。

6549.ass(名)驴
A hungry ass needs not a blow．
饿驴不顾鞭子抽。

6550.assail(动)攻击
Then doubts and fears did assail the very strongest person．
那时疑惑和恐惧的确困扰过意志最坚强的人。

6551.assassinate(动)暗杀
A plot to assassinate the President was uncovered.
暗杀总统的阴谋被察觉。