音标:[iksˈpændz] ;
v. 使…变大( expand的第三人称单数 ); 扩大; 伸展; 伸开
v extend in one or more directions
v become larger in size or volume or quantity
v make bigger or wider in size, volume, or quantity
v grow vigorously
v exaggerate or make bigger
v add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
v expand the influence of

expand的用法和样例:

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。
  8. 1
  9. The docks have been expanded.码头已经被扩建了。
  10. 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。
  11. 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。
  12. The business has been expanded this year.今年的生意扩大了。

常用短语

用作动词(v.)
expand into (v.+prep.)
    (使)扩展,将…扩充成 enlarge sth to become widerexpand 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 onexpand 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 toexpand 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

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
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学英语单词
agreement of frontier railway
alee
Alessandria della Rocca
amphibious map
aprobarbitone
artificial foundation
asynchronous directly-coupled computer
attachment bracket
aurhorized personnel
azimuth adjustment
beauseigneur
binding unit
blech
Blending plant
bloting
blue sharks
bumster
clinometry
coarse jig
combination tyre
conocoes
corneocytes
cross paths with
cyano-metrorrhagia
DAC - Discretionary Access Control
dermatomyiasis
deteriorates
diphenyl hydrochloride
direct heat source
donsie, donsy
double first
ecm (electronic counter measure)
ecohouse
ecornutum
Eddy's theorem
end cut bur
excess of ammonia
first elementary regressions
fluorofibre
garrods
geziras
give one's all
group-specific antigen gene
haematoporphyria chronica
hang the landlady
have a great mind
haversine shock pulse
hexachloroanthracene
hyphenate CAPS
hyphylline
incretion
institutional care
Kangdong-gun
kataphorite (catoforite)
Kentucky R.
lawenforcement
life-plan
light porker
manteau-maker
maziness
multiple spindle boring machine
musquashes
n. u.
oriental sapphire
oxihemograph
paired electrons
parallel cluster
patient-focused
pedigo
phytosiderophores
placental accentuated
praetoriuss
pseudorandoms
Pull-and-out block
pyritolamprite
radiocolloid
residual current compensator
resin-baseds
retail store cooperative
rheological theory
rhodicite (rhodizite)
school-yards
science of the sea
scored off
Sellore I.
semi vitreous
serpentine moth
sliding-mesh gearbox
Soldier Ants
standard electromotive force
superviser of guardianship
synchronizing force
thrust faults
thyrotoxicosis factitia
tudor architectures
Tyzack section
undetermined multiplier
unwanted response
Van Der Waals attraction
voodoo death
weaseled
zip line