6552. assault(名)攻击、袭击
We are ready to meet the enemy's assault on our fort.
我们准备反抗敌人对堡垒的攻击。

6553.assert(动)断言
Some people assert that nothing is impossible．
有些人断言没有什么事是不可能的。

6554.assertion(名)主张
A bare assertion is not necessarily the naked truth.
坦率的主张未必就是坦白的事实。

6555.assertive(形)独断的
He is an assertive boy, always insisting on his own rights and opinions．
他是个独断的孩子，总是坚持自己的权利和主意。

6556.assertively(副)自信地
"I will take care of my ownIife," she said assertively.
“我会照顾我自己的”她自信地说。

6557.assess(动)评估
It's too eary to assess the effects of the pricerises．
现在对物价上涨的影响做评估未免言之过早。

6558.assessment(名)评估
I made a careful assessment of the risks involved.
我仔细评估了所包含的风险。

6559.asset(名)资产
She's a great asset of the organization.
她是组织里的资产。

6560.assign(动)分配
We have assigned 20% of our budget to the project.
我们已把预算款项的20%分配给这项工程。

6561.assignment(名)任务
同义词mission
The reporter disappeared while on assignment in the war zone．
那名记者在战区执行采访任务时失踪了。

6562.assist(动)协助
Volunteers assisted searching for the boy.
志愿者协助寻找那个男孩。

6563.assistance(名)协助
She shouted for help but nobody came to her assistance．
她大喊救命，但无人去帮忙。

6564.assistant(名)助理
Tony is my assistant．
东尼是我的助手。

6565.associate(动)联想(名)同事
后接介词with
(动):we associate Egypt with Nile．
我们一想到埃及就联想到尼罗河。
(名): She is one of my associate at the store.
他是我店里的一位同事。

6566.association(名)协会
We work in association with our New York office.
我们跟我们的纽约办事处联手工作。

6567.assorted(形)各种的
Men and women of assorted ages and degrees of prosperity rub elbows and exchange opinions.
各种不同年龄、不同家境的男男女女互相交往，并交换意见。

6568.assumption(名)假定
We'll work on the assumption that guests will be hungry when they arrive．
假定客人到时肚子饿了，我们将据此行事。

6569.assurance(名)保证
They gave me an assurance that the work would be finished by Friday．
他们向我们保证那项工作会在星期五之前完成。

6570.assure(动)保证
I assure you that it is perfectly safe.
我向你保证绝对安全。

6571.astronomy(名)天文学
Astronomy interits from astrology．
天文学是由占星学演变而来的。

6572.asylum(名)收容所
Alan was soon committed to an insane asylum．
不久艾伦就被送进了收容所。

6573.athletic(形)运动的
She has an athletic figure.
她有运动选手的身材。

6574.Atlantic(名)大西洋
A需大写
Ireland borders the Atlantic Ocean.
爱尔兰以大西洋为界。

6575.atom(名)原子
Atom is too small to be seen.
原子小得看不见。

6576.atomic(形)原子能的
Mr.Smith comprehends atomic energy．
史密斯先生非常懂得原子能。

6577.attach(动)贴士
后接介词to
I attach a label to each bag．
我在每个袋子上贴上标签。

6578.attachment(名)附加配置
The food processor has an attachment for making pasta.
这种食品加工机具有制作意大利食品的附加装置。

6579.attainment(名)达成
The attainment of her ambitions was still a dream．
她要实现抱负仍是一种梦想。

6580.attempt(动)企图
She was accused of attempted murder.
她被企图谋杀。

6581.attendance(名)出席
There was a poor attendance at the meeting.
出席会议的人寥寥无几。

6582.attendant(名)服务员
I'm the attendant on this floor.
我是本楼层的服务员。

6583.attention(名)注意力
短语pay attention to
To gain their exclusive attention is very difficult.
获得他们的全部注意力是很困难的。

6584.attic(名)阁楼
Old childhood memories inhabited the attic.
旧日儿时的记忆充满了阁楼。

6585.attire(名)服装、衣着
He piqued himself on his stylish attire．
他为自己颇具风格的打扮自豪。

6586.attorney(名)律师
短语attomey general
The attorney's summation was telling.
这个律师的判论总结是非常有效的。