Word · Frequency #2124
expands
扩大;扩充;膨胀
expands is the third person singular of expand.
核心释义
to become larger, or to make something larger in size, amount, or degree
- 1.
将(某物)从较小的形式或尺寸变为较大的;展开或打开。
To change (something) from a smaller form or size to a larger one; to spread out or lay open.
- 2.
向一个或多个方向延伸
extend in one or more directions
- 3.
增加(某物)的范围、数量、体积或规模
To increase the extent, number, volume or scope of (something).
- 4.
大小、体积或数量变大
become larger in size or volume or quantity
- 5.
详细表达(某事)
To express (something) at length and/or in detail.
- 6.
使大小、体积或数量变大或变宽
make bigger or wider in size, volume, or quantity
- 7.
将(表达式)重写为更长但等效的项之和
To rewrite (an expression) as a longer, yet equivalent, sum of terms.
- 8.
通过重写变为更长但等效的项之和。
To become, by rewriting, a longer, yet equivalent, sum of terms.
- 9.
将分数的分子和分母同时乘以相同的(非零)数(产生等值分数)。
To multiply both the numerator and the denominator of a fraction by the same (non-zero) number (which yields a fraction of equal value).
- 10.
从小到大改变或增长形式、数量或大小。
To change or grow from smaller to larger in form, number, or size.
- 11.
在范围、数量、体积或规模上增加
To increase in extent, number, volume or scope.
- 12.
详细地说或写。
To speak or write at length or in detail.
- 13.
感到慷慨或乐观
To feel generous or optimistic.
- 14.
在层级列表中显示(条目)的子条目。
In a hierarchical list (such as a directory tree or table of contents), to show the subentries of (an entry).
张开;展开;详述;详细说明;解压缩;展开;将(某物)从较小的形式或尺寸变为较大的;展开或打开。;向一个或多个方向延伸
用法In use
The company plans to expand its business into Asia next year.
用法提示:expand 作及物动词,表示“扩大、扩展”。
When heated, metal expands more than glass.
用法提示:expand 作不及物动词,表示“膨胀、变大”。
We need to expand the kitchen to make room for a larger table.
用法提示:expand 作及物动词,表示“扩建、扩大”。
The dough expands
his business expanded rapidly
expand the house by adding another wing
expand + noun + into + noun
表示将某物扩大或发展成为另一物。
相关词与表达Connections
搭配Collocations
- expand business
- 扩大业务
- The company plans to expand business into new markets.该公司计划将业务扩展到新市场。
- expand market
- 拓展市场
- We need to expand our market share in Asia.我们需要扩大在亚洲的市场份额。
- expand knowledge
- 扩展知识
- Reading widely helps expand your knowledge.广泛阅读有助于扩展你的知识。
- expand horizons
- 开阔眼界
- Traveling can expand your horizons.旅行可以开阔你的眼界。
- expand vocabulary
- 扩大词汇量
学习提示Learner notes
记忆技巧Memory Tip
expand中的'pand'谐音'胖的',向外变胖即扩大。
语境与语域Context & Register
动词 expand 可用于多种语境,如商业、科技、物理等。既可用于正式场合,也可用于日常交流,属于中性偏正式的语体。
发音与拼写Pronunciation & Spelling
All listed words rhyme with 'expand' (ending /ænd/). Beware of lookalikes like 'panda' (/pændə/) or 'expound' (/ɪkspaʊnd/) which sound different.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3,建议结合例句记忆,而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.