expand

英 [ɪk'spænd] 美 [ɪk'spænd]

• v. 使 ... 膨胀；详述；扩张；增加；张开

双解释义

v. (动词)

1. vt. & vi. 扩大; 加大; 使大

   make larger

2. vt. & vi. 展开

   unfold or spread out

详尽释义

v. 动词

1. 扩张，扩展，发展
2. 扩大，扩充
3. 详述，详细阐明，细谈
4. 使扩张，使变大
5. （使）增长，（使）增加
6. （使）膨胀
7. 变得和蔼可亲
8. 延伸
9. 使发展
10. 【释】扩编
11. 【数】展开
12. 感到心旷神怡，热情洋溢
13. 变开朗；（谈吐）放开
14. 伸展，伸开，展开
15. 推广开来

英英释义

Verb:

1. extend in one or more directions;

   "The dough expands"
   

2. become larger in size or volume or quantity;

   "his business expanded rapidly"
   

3. make bigger or wider in size, volume, or quantity;

   "expand the house by adding another wing"
   

4. grow vigorously;

   "The deer population in this town is thriving"
   "business is booming"
   

5. exaggerate or make bigger;

   "The charges were inflated"
   

6. add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing;

   "She elaborated on the main ideas in her dissertation"
   

7. expand the influence of;

   "The King extended his rule to the Eastern part of the continent"
   

例句

用作动词 (v.)

1. Metals expand when they are heated.
   金属遇热则膨胀。
2. Would you expand upon the matter a little further?
   请你再进一步谈谈这件事好吗?
3. They conferred on the best way to expand business.
   他们商议扩展业务的最好方法。
4. Our foreign trade has expanded during recent years.
   近年来我们的对外贸易有所增加。
5. The petals of many flowers expand in the sunshine.
   许多花的花瓣在阳光中绽放。

常见句型

用作动词 (v.)

用作不及物动词

S+～(+A)

1. The shipbuilding industry is rapidly expanding.
   造船工业正在迅速发展。
2. The ranks of the teachers are constantly expanding.
   教师队伍日益扩大了。
3. Our foreign trade has expanded during recent years.
   我们的对外贸易近年来已得到扩大。
4. The pupils of your eyes expand when you enter a darkroom.
   当你走进暗室时,你的瞳孔就会放大。
5. Iron expands when it is heated.
   铁加热时膨胀。
6. The flower buds have not yet expanded.
   花蕾尚未开放。
7. The petals of many flowers expand in the sunshine.
   许多花瓣在阳光下绽放。
8. He began to expand after dinner.
   饭后,他变得友好亲切起来。

用作及物动词

S+～+ n./pron.

1. Heat expands metals.
   热使金属膨胀。
2. He does exercises to expand his chest.
   他做体操扩胸。
3. Because the company was doing more business it was necessary to expand the factory.
   由于公司业务的扩大,扩大工厂是必然的。
4. Our country steadily expanded her electronic industry.
   我国不断发展自己的电子工业。
5. She expanded her umbrella and went out.
   她撑开伞就走出去了。
6. The eagle expanded its wings.
   雄鹰展翅。
7. A hundred years after Confucius died,Mencius taught and expanded Confucian doctrine.
   孔子去世100年后,孟子传授并阐发了孔子的学说。
1
8. The docks have been expanded.
   码头已经被扩建了。
9. The ancient city walls were demolished and the urban area was expanded.
   古城墙被拆掉了,城区被扩大了。
10. The existing network of medical and health institutions are being expanded.
    现有的医疗卫生组织系统正在扩大。
11. The business has been expanded this year.
    今年的生意扩大了。

经典引文

• Sicily then lay expanded like a map beneath our eyes.

  出自： Leigh Hunt

• He..expanded his mouth in a significant smirk.

  出自： O. Manning

常用短语

用作动词 (v.)

expand into (v.+prep.)

(使)扩展,将…扩充成 enlarge sth to become wider
expand into sth
The company intends to expand into a wider market.

这家公司打算进一步扩大市场。
The society expanded into a worldwide organization.

这个社团已扩大成为一个世界性的组织。
The narrow path expanded into a wide road.

狭窄的小路拓宽成一条大道。
The saplings have expanded into trees.

那些树苗已经长成了大树。 expand sth into sth
He expanded his short story into a book.

他把他的短篇小说扩充成一本书。
The director plans to expand the firm into an international company.

主任计划把这个公司扩展成为跨国公司。
The writer expanded one sentence into a paragraph.

作家把一个句子扩展成一段文字。
The small pocket dictionary was expanded into a full-sized one.

那本袖珍字典已扩展成为一本大型字典。

expand on (v.+prep.)

进一步阐述,详谈,补充 express oneself more fully or in greater detail on
expand on sth
You will have to expand on your argument if you want to convince me.

你要想说服我,你就得充分阐明你的论点。
He did not expand greatly on his statement.

他未就他的声明多加解释。
In his lecture the teacher expanded on the uses of the English subjunctive mood.

老师在讲课中详细地讲述了英语虚拟语气的用法。
I am quite satisfied with your explanation, so there's no need to expand on it.

我对你的解释很满意,没有必要再细说了。

expand to (v.+prep.)

扩展到… enlarge to
expand to sth/v-ing
The factory expands to the foot of the mountain.

这个工厂的地界扩展到了山脚下。
The town has now expanded to twice its original size.

这个镇现已扩展到原面积的两倍。
The business has expanded from having one office to having eight.

这家公司已从一个公司发展到拥有八家分公司。 expand sth to sth
There sugar-beet plantation areas were expanded to 176000 hectares.

他们的甜菜种植面积增加到176000公顷。
Transport networks need to be expanded to remote rural areas.

运输网需要扩展到偏远的农村。

词汇搭配

用作动词 (v.)

～+名词

• expand armaments 扩充军备
• expand the chest 使胸腔扩展
• expand contact 扩大交往
• expand drainage capacity 增强排水能力
• expand influence 扩大影响
• expand market 扩大市场
• expand production 扩大生产
• expand ranks 扩大队伍
• expand ties 扩大联系
• expand view 阐述观点

～+副词

• expand constantly〔gradually〕 日益扩大
• expand fully 充分地扩张
• expand greatly 大大扩大
• expand out 扩展
• expand rapidly 迅速发展
• expand steadily 稳定地发展

～+介词

• expand by 因…而扩大
• expand from...to... 从…增加到
• expand in 在…中发展
• expand into 扩大成
• expand into an industrial city 发展成工业城市
• expand on 进一步阐述,详谈
• expand on a problem 对某个问题加以阐述
• expand upon 根据…阐述

词语用法

v. (动词)

1. expand的意思是“扩大,扩张”,指事物在范围、规模、体积或大小尺寸上的扩大,侧重于“扩展”和“发展”,引申可指“详尽阐述”。
2. expand既可用作及物动词,又可用作不及物动词,用作及物动词时可接名词或代词作宾语。
3. expand在口语里还可表示“变得亲切友好,变得乐于交谈”,这种用法多见于英式英语。

词义辨析

v. (动词)

expand, circulate, diffuse, disseminate, extend, propagate, radiate, spread

• 这组词都有“延伸”“延长”“伸展”“展开”的意思。其区别是：
• 1.spread指向四面八方扩大范围。
• 2.circulate指无拘无束地或不间断地传播、散布到各处。例如:
• She opened a window to allow the air to circulate.她打开窗户使空气流通。
• 3.disseminate指到处传播思想、理论等。例如:
• They use the press to disseminate right wing views.他们利用报刊来传播右翼观点。
• 4.diffuse指光线、声音、气味等在空中传送或散布。例如:
• Light diffused from the window.光从窗户射进来。
• 5.extend指延展物体的长度、宽度,延伸或扩大某一事物,以及延长时间、期限等,也指伸开四肢或躯体。例如:
• They extended the road for three more miles.他们把那条路又延长了三英里多。
• The headmaster extended our holidays by a week.校长把我们的假期延长了一个星期。
• 6.expand指扩大面积或体积,也指把合拢的东西放开(即三维)。例如:
• This county has expanded its area under cultivation by more than 50,000 mu .该县扩大了50,000亩耕地。
• Heat expands metals.热使金属膨胀。
• He does exercises to expand his chest.他做体操扩胸。
• 7.propagate通常指宣传某种信念、看法或传播某种言论,以使更多的人相信或参与。例如:
• We should not only learn knowledge, but also propagate it.我们不仅应学习知识,而且应传播它。
• The Greek civilization was propagated all over Europe.希腊文明传播至整个欧洲。
• 8.radiate指从中心向四面八方散发,是技术用语,特指光或热的辐射。例如:
• The sun radiates light and heat.太阳放射光和热。
• The electric heater radiated warmth.电暖器散发出热量。

expand, dilate, distend, inflate, swell

• 这组词都有“增大,扩大”的意思。其区别是：
• expand指体积、数量的增大,可指展开、打开、散播开,而使其扩大的因素既可以是内在的,也可以是来自外界的外力; swell是指由于受到内部力量的作用而在体积和容积方面增大,也可指数目或程度的增长,质量的提高,或曲面向上隆起,常表示“不正常的增大”; distend指在内部力量的压迫下向各个方向扩张或膨胀,暗示原来就处于完全空虚或松弛状态; inflate指用人工方法使某物膨胀起来; dilate强调直径的增大。

词源解说

• ☆ 15世纪初期进入英语，直接源自盎格鲁法语的espaundre；最初源自古典拉丁语的expandere，意为伸开。

近反义词

【近义词】

• swell （使）膨胀
• enlarge 扩大
• grow 增加
• increase 增加
• magnify 放大
• inflate 使膨胀
• extend 延伸
• unfold 展开
• broaden 变宽
• spread 传播
• spread out 伸开
• dilate 使扩大
• develop 发展
• open out 打开
• amplify 扩大
• multiply 乘
• sprawl 躺卧
• balloon 气球
• branch 分部
• flare 闪光
• distend 扩大
• stretch 伸展
• augment 增加
• pump 泵
• lucubrate 精心制作
• thrive 兴旺
• expatiate 详述
• exposit 揭示
• flourish 茂盛
• blow up 爆炸
• expound 详细说明
• boom 繁荣
• flesh out 长胖
• elaborate 详尽的

【反义词】

• contract 合同
• shrink 收缩