expand的过去式是：expanded。expand的详尽释义是v.(动词)扩张，扩展，发展扩大，扩充详述，详细阐明，细谈使扩张，使变大（使）增长，（使）增加（使）膨胀变得和蔼可亲延伸使发展【释】扩编【数】展开感到心旷神怡，热情洋溢变开朗；（谈吐）放开伸展，伸开，展开推广开来。expand的词语用法是v.(动词)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”。
一、详尽释义点此查看expand的详细内容
二、英英释义
"The dough expands"
"his business expanded rapidly"
"expand the house by adding another wing"
"The deer population in this town is thriving"
"business is booming"
"The charges were inflated"
"She elaborated on the main ideas in her dissertation"
"The King extended his rule to the Eastern part of the continent"
三、词典解释
1.扩充;扩大;增加
If somethingexpands oris expanded, it becomes larger.
e.g. Engineers noticed that the pipes were not expanding as expected...
工程师注意到管道并没有如预期那样膨胀。
e.g. The money supply expanded by 14.6 per cent in the year to September...
截至9月，当年的货币供应增加了14.6％。
2.扩大；发展；扩展
If something such as a business, organization, or serviceexpands, or if youexpand it, it becomes bigger and includes more people, goods, or activities.
e.g. The popular ceramics industry expanded towards the middle of the 19th century...
到19世纪中期，大众制陶业得到了发展。
e.g. The interest rate's coming down. I'll be able toexpand or stay in business...
利率正在降低，我可以扩大公司或者维持经营。
相关词组：expand on
四、例句
Metals expand when they are heated.
金属遇热则膨胀。
Would you expand upon the matter a little further?
请你再进一步谈谈这件事好吗?
They conferred on the best way to expand business.
他们商议扩展业务的最好方法。
Our foreign trade has expanded during recent years.
近年来我们的对外贸易有所增加。
The petals of many flowers expand in the sunshine.
许多花的花瓣在阳光中绽放。
五、常用短语
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 sthHe 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。
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。
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 sthThere 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。
六、词汇搭配
七、词义辨析
expand的相关近义词
swell、enlarge、grow、increase、magnify、inflate、extend、unfold、broaden、spread、spread out、dilate、develop、open out、amplify、multiply、sprawl、balloon、branch、flare、distend、stretch、augment、pump、lucubrate、thrive、expatiate、exposit、flourish、blow up、expound、boom、flesh out、elaborate
expand的相关反义词
expand的相关临近词
expanse、exp、expanded、Expandra、expandor、Expandex、expander、expanders、expand on、expanding、expand in、expandase