a. giving sb. satisfaction, pleasure, or profit 值得做的；有益的；有意义的
Our journey to America was a very rewarding experience. 去美国的旅行是非常有益的经历。
Gardening is a very rewarding pastime. 园艺劳动是非常有益的消遣。 3. frustrate vt. 1) cause sb. to have feelings of disappointment 使沮丧；使灰心
Activists and reformers are frustrated by the public?s lack of interest. 激进分子和改革者们因公众缺乏兴趣而感到沮丧。
She has always been frustrated by her inability to draw.她总是因为不会画画而感到灰心
丧气。
2) cause the failure of sth. 使挫败；使受挫折
He had hoped to set a new world record, but was frustrated by bad weather. 他本希望能创
造新的世界纪录，但因天气恶劣而未果。
Bad weather has frustrated plans to launch the spacecraft today. 今日发射宇宙飞船的计划,
因天气恶劣而落空。
[扩展] be frustrated in 在??方面归于失败 4. junior
a. having a low position, level, or rank (地位、水平、层次)较低的 a junior officer下级军官
junior members of the staff 年轻的职工 n. 1) [C] sb. who is younger 年少者 junior dress sizes 年幼者的衣服尺码
a sister four years my junior比我小四岁的妹妹
2) [C] sb. of low or lower position (地位或等级)较低者；晚辈 Tom Brown, Junior 小汤姆·布朗
He is the junior partner in the firm. 他是这公司地位较低的股东。
[反义词] senior a. having a high position, level, or rank (地位、水平、层次)较高的
senior staff 高级职员；a senior officer 高级军官
5. positive
a. 1) helpful and encouraging in achieving sth. 积极的
One must be positive, but not too positive.一个人必须有自信，但不可过分自信。
Young men should have a positive attitude towards life. 年轻人对生活必须有积极的态度。
2) definite; allowing no room for doubt 确实的；明确的
There is positive proof that the old man was murdered that night. 有确凿的证据证明老人是在那天晚上被谋杀的。
Light is a positive thing; darkness is only the absence of light. 光是确实存在的东西；黑暗只是没有光。
[反义词] negative 否定的, 否认的；反面的，消极的，拒绝的，反对的 a negative answer 否定的回答；a negative vote 反对票 6. senior
a. having a higher position, level or rank (地位、水平、层次)较高的 the senior member of a group 团体里那个较年长的成员
She is senior to everyone else in the company. 她在公司里的地位比其他人都高。 n. 1) [C] sb. who is older 较年长者
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living facilities for senior citizens为老年人设立的公共生活设施 John Parker, Senior is the father of John Parker, Junior.老约翰·派克是小约翰·派克的父亲。 Her boyfriend is her senior by six years.她的男朋友比她大六岁。 2) [C] sb. of high or higher position (地位或等级)较高者；长辈
He was my senior at Yale by two years.他是耶鲁大学比我高两级的学生。
The committee consists of many senior experts from all over the world. 委员会是由来自世界各地的资深专家组成的。 7. former
a. of an earlier period 在前的；以前的；旧时的
It?s hard for young people to understand customs of former days.年轻人不太容易理解旧时的风俗。
The guide showed us the old home of former President Theodore Roosevelt. 导游带我们看了前总统西奥多·罗斯福的故居。
n. (the former) the first of the two people or things just mentioned 前者
When she is offered ice-cream or pie, she always chooses the former.当有冰淇淋或馅饼给她吃时，她总是挑选前者。
Given a choice between Beijing and Shanghai, I?d prefer the former. 要在北京或上海两者之间选一个的话，我更愿选前者。 8. unlike
prep. not like; different from 不像；和??不同
Unlike most actors, Harris is a rather shy man. 和其他演员不同的是，哈里斯是个比较腼腆的人。
She was led into an office unlike the one she had just left. 她被领入一间和刚去过的不太一样的办公室。
[反义词] like prep. 像??一样
I can?t believe that you shouted at your father. It?s not like you to take offense. 我不敢相
信你对父亲那样大喊大叫。你不太像会发火的人。
Like his previous ones, his new novel is about the Second World War. 和以前的小说一
样，他的这部新小说是关于第二次世界大战的。
9. intimidate vt. create a feeling of fear 恐吓；威胁
He said he would never be intimidated by big names and authorities. 他说他决不会被名人、权威所吓倒。
The candidate for mayor felt a little intimidated by his opponent?s power and fame.这位市长候选人有点被他对手的权力和威望吓倒。
10. opportunity n. [C, U] a good moment or chance for doing sth. 机会；时机
There may be an opportunity for you to see the chairman of the board tomorrow. 明天你也许有机会见到董事长。
They used to have little opportunity for hearing good music.在以前，他们很少有机会听到好的音乐。
[近义词辨析] chance，opportunity
chance常指偶然；运气；侥幸；有时也指可能性,希望。
Chance led to the finding of the diamond mine.这座钻石矿完全是偶然发现的。 We have a good chance of winning the game.我们很可能赢得这场比赛。 opportunity常指一种有利的状态或合适的时机
If you prepare yourself，you will be able to grasp opportunity for broader experience when it
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appears 如果你有所准备，一旦机会出现，你就会抓住获得更丰富经历的机会。
Opportunity makes the thief. (谚) 疏忽招盗贼。 11. online
a. connected to other computers through the Internet 联线的；联网的 European Online Information Network欧洲联机情报网络
companies with an online ordering service 提供网上预定服务的公司 ad. doing sth. online 联线地；联网地
More and more people are getting this kind of information online. 越来越多的人通过网络获得这类信息。
Nowadays, many international companies are holding conferences online. 现在，有许多跨国公司常常举行网络会议。 12. communication
n. [U] the action of sending and exchanging information 交流；交际；通讯
Communication between old and young people is not so difficult as you think.青老年之间的思想交流没有你想的那样困难。
The satellite has become an important means of communication.卫星已成为一个重要的通讯工具。
Our city has excellent communications with all parts of the country.我们城市具有完备的交通网与全国各地联系。
13. medium n. [C] (pl. media or mediums) a method for giving information 媒介；媒体
English is not the usual medium of instruction in our school. 英语不是我校通常使用的教学语言。
A good deal of adult education is accomplished by the mass media.成人教育的相当一部分是由大众传播媒介完成的。
Water is the natural medium in which fish live.水是鱼类赖以生存的自然环境。 14. modem n. [C] 调制解调器
view data modem 图像数据调制解调器
56K Modem 56K调制解调器
15. access
n. 1) [U] the right to have or use sth. 享用权
Only a few people have access to the full facts of the case.只有少数几个人能看到有关该案全部事实的材料。
Traditional remote access systems do not support extranet access. 传统的远程访问系统不支持内扩网访问。
2) [U] the means of entering a place
The only access to their house is along that narrow road. 只有沿着那条狭窄的路走才能到达他们的房子。
Citizens may have free access to the library. 市民可以自由使用图书馆。 [扩展] be easy [hard, difficult] of access 容易[难]接近
give access to 接见；准许出入
have [gain, get, obtain] access to 得接近；得会见；得进入；得使用 open access (图书馆)开架阅览
16. participate
vi. take part 参与；参加
No professional athletes were allowed to participate in the Olympic Games.在过去，职业运
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动员不允许参加奥运会。
The rebels have agreed to participate in the peace talks. 叛乱者已经同意参加和平谈判。 [扩展] participation n. 参与
They wanted more direct participation in the solution of steel production problems. 他们要求更多地直接参与解决钢铁生产的问题。
The Prime Minister?s participation in the economic summit is seen as vital to its success. 首
相参加经济峰会被看作是它成功举办的重要因素。
17. virtual
a. 1) created by the computer to be similar to the experience of real life 虚拟的
virtual reality 虚拟现实
virtual LAN 虚拟区域网 (LAN: Local Area Network)
2) almost what is stated 实质上的；实际上的
The servants rarely leave the house and live like virtual prisoners. 仆人们很少离开房子，过着如囚犯一样的生活。
Our deputy manager is the virtual head of the business. 我们的副经理是公司的实际负责人。
18. commitment
n. 1) [U] the hard work and loyalty that sb. gives to an organization, activity, etc. 投入；致力；献
身
My aunt has a sincere commitment to Buddhism. 我姑妈笃信佛教。 a deep commitment to liberal policies为自由主义政策奉献
a profound commitment to the family 对家庭由衷的奉献
2) [C] a promise to follow certain beliefs or actions 承诺；许诺；保证
We have made a commitment to help, and we will. 我们已经承诺提供帮助，我们一定会的。
[扩展] make a commitment to do sth. 承诺做某事 fulfill/ meet a commitment 履行诺言 19. discipline
n. 1) [U] a state of order and control; self-control 纪律；自制能力
The soldiers showed perfect discipline under fire. 士兵在枪林弹雨中严守军纪。
The children are happy at the school, but they lack discipline. 孩子们在学校里很快活，但很散漫。
2) [C] a branch of learning 学科
scientific disciplines 科学科目；academic disciplines 学术科目
20. minimum
a. the least, or the smallest possible 最低的；最小的
the minimum requirements for entry to college 大学入学的最低要求
The minimum wage is 4.25 dollars an hour.最低工价为每小时四点二五美元。 n. [sing.] the smallest amount 最低限度；最少量
You must get a minimum of 40 questions right to pass the examination. 你最少必须答对40道题才能通过考试。
The class needs a minimum of 6 pupils to continue. 这个班最低限度要有6个学生才可以继续办。
[反义词] maximum n. greatest amount, size, intensity, etc possible or recorded 最大的量、 体积、
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强度等
Our goal is to achieve the maximum of efficiency.我们的目标是取得最高的效率。
To the father?s excitement, his son obtained 81 marks out of a maximum of 100 in the examination. 使父亲兴奋的是，儿子在满分为100分的考试里得了81分。
a. as great as can be achieved 能达到的最大的
the maximum temperature, voltage, volume 最高温度、最高电压、最大体积 21. assignment
n. [C] a piece of work given to a particular person 任务；作业
Please hand in your completed assignments by October 30. 请在10月30日前交完成的作业。 His first assignment as a reporter was to cover the local election. 作为一名记者，他的第一个任务是报道地方选举。
[扩展] assign v. give sb. a job to do 分配；布置
Jack was assigned to the assembly shop of the factory.杰克被分配到厂里的装配间工作。
The two governments assigned a day for the next negotiation. 两国政府确定了下一轮
谈判的日期。
22. embarrass
vt. make sb. feel ashamed, nervous, or uncomfortable 使尴尬；使难堪
When I began to sing, he laughed and made me embarrassed. 我开始唱歌时，他大笑起来，使我感到很窘。
It embarrassed me to have to give my opinion in public. 不得不在大庭广众之下公开自己的观点使我感到尴尬。
[扩展] embarrassment n. a feeling of being nervous or ashamed because of what people know
or think about you 尴尬
I felt my face burning with embarrassment. 因为尴尬，我感到脸上火辣辣的。
The court case was a huge embarrassment to the company. 这件案子是公司巨大的尴
尬。
23. embarrassing
a. making sb. feel embarrassed 使人尴尬的；令人难堪的
It?s rather embarrassing that we still do not know how many species there are in the world today. 令人尴尬的是，我们现在仍不知道世界上究竟有多少物种。
He laughed off an embarrassing situation. 他以笑来解除这种尴尬的处境。 24. frustration
n. [C, U] the feeling of being disappointed, annoyed, or upset 沮丧；不安；灰心
There is a growing sense of frustration among hospital staff.医院员工越来越感到不安。 Their objective was the frustration of the peace agreement. 他们的目标是挫败和平协议。 25. post
vt. put up sth. on a screen, wall, or notice board 发帖子；张贴
The names of the members of the team will be posted up today. 队员名单将于今天张榜公布。
The menu and prices are posted outside the door of the restaurant. 在饭馆的门外张贴着菜单和价目表。 26. continual
a. 1) continuing without stopping不间断的；不停的
Continual dropping wears away the stone. 水滴穿石。
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