accommodation
n.（常pl. ）住处，膳宿
The high cost of accommodations makes life difficult for many Chinese students in London.
住宿费昂贵使很多在伦敦的中国留学生感到生活困难。

alliance
n.结盟，联盟
China is a nonaligned country and will never enter into other countries' alliances.
中国是不结盟国家，不会加入其他国家的联盟。
In the Second World War, the United States, Britain, France and some other countries made an alliance against German Fascists.
在第二次世界大战中， 美、英、法等国结成联盟反对德国法西斯。

coarse
a.粗的，粗糙的；粗劣的； 粗俗的
Ultraviolet rays, dust, air-conditioning can make your skin coarse.
紫外线、灰尘、空调等都会使皮肤粗糙。

concern
n.关切的事，有关的事；关心，担心；关系，关联；公司，企业 vt.涉及，有关于；使关心，使担心
Since the "9·11" terrorist attack, Americans have been very concerned about their personal safety and national security.
"9·11"恐怖袭击后美国人很担心自身安全和国家安全。
The firm's weak financial posture is starting to concern its stockholders.
这个公司的财政危机已开始困扰股东。
A girl's concern is different from a boy's.
女孩子关心的事和男孩子所关心的不一样。

crucial
a.至关重要的，决定性的
Generally in science, the 19th century is reckoned as the crucial period for the change in the structure of science.
在科学领域中，19世纪通常被看成是科学结构发生变化的关键时期。
Selecting a good location is crucial to run a store.
选择正确的地点对开店至关重要。

dominant
a.占优势的，支配的； 居高临下的
Russia is the dominant nation in Eastern Europe.
俄罗斯是东欧的主要国家。
The Big Bang, first put forward in the 1920s, acts as the dominant explanation of the cosmos.
宇宙大爆炸理论最初于20世纪20年代提出，是宇宙形成的最具权威性的解释。

emphasize
vt.强调，着重，加强…的语气
Our government must emphasize the importance of a clean environment and the harm of a polluted environment through the mass media.
我们的政府要通过大众媒体强调营造清洁环境的重要性 以及一个受污染的环境的危害性。
Computer-analyzed marketing reports can help to decide which products to emphasize.
计算机分析的市场报告可以用来帮助决策现在应着重发展何种产品。

execute
vt.处死，处决；实施，执行，完成
McVeigh was executed for his crime.
迈克维因所犯罪而被处决。
The manager assistant came here to execute a few small commissions for the manager.
经理助理到这里来是代替经理办几件小事的。

file
n.档案，卷宗，文件； 文件夹；纵列 vt.把（文件）归档；把…登记备案 vi. （for）提出，排成纵队行进
Here's our file on the results of the business in the past five years.
这是我们过去5年来经营成绩的案卷。
Computer technology makes it possible to store vast amounts of data in machine-readable files.
计算机技术使将大量资料贮存在可机读的文档里成为可能。

humor
n.幽默，诙谐；情绪，心情
The humor in Hawthorn's writings is not to be absorbed in a hurry.
霍桑作品中的幽默不是一下子能领会的。
It was said that, Mr. Tony Blair, the former British Prime Minister, had hired an expert to write jokes for him so that he would be able to show his sense of humor when delivering speeches.
据说，英国前首相托尼·布莱尔专门雇人给他写笑话，这样，他在演讲中就可以显示自己的幽默感。

influence
n.影响，影响力；产生影响的人（或事物）；势力，权势 vt. 影响
Family influence dominates the shaping of one's characteristics.
家庭的影响对于塑造一个人的性格起主要作用。

lease
n.租约，租契 vt. 出租；租得，租有
The firm leases an office with views over the river.
公司租了一个可以看到临河风景的办事处。
When does the lease expire?
租约什么时候期满？
The lease has four years left.
租约还有4年到期。