expanded background

expanded

/ɛkˈspændɪd/

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verb

扩大，扩张，扩展

To change (something) from a smaller form and/or size to a larger one; to spread out or lay open.

Examples :

"You can expand this compact umbrella to cover a large table."

你可以把这把折叠伞撑开，它能覆盖一张大桌子。

area mass amount physics

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verb

扩大，扩展，扩张

To increase the extent, number, volume or scope of (something).

Examples :

"A flower expands its leaves."

一朵花舒展开了它的叶子。

amount number business economy

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verb

详细阐述，扩展。

To express (something) at length and/or in detail.

Examples :

"The teacher expanded on the history of the Civil War, explaining many details about the causes and effects. "

老师详细阐述了南北战争的历史，解释了很多关于其起因和影响的细节。

language communication writing

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verb

展开, 扩展.

To rewrite (an expression) as a longer, yet equivalent sum of terms.

Examples :

"Use the binomial theorem to expand {(x+1)}^4."

使用二项式定理来展开{(x+1)}^4。

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verb

展开，扩展

(of an expression) To become, by rewriting, a longer, yet equivalent sum of terms.

Examples :

"The expression {(x+1)}^4 expands to x^4 + 4x^3 + 6x^2 + 4x + 1."

表达式 {(x+1)}^4 展开后等于 x^4 + 4x^3 + 6x^2 + 4x + 1。

math technical language computing

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verb

分子分母同乘以一数，扩分。

To multiply both the numerator and the denominator of a fraction by the same natural number yielding a fraction of equal value

Examples :

"To get a common denominator, I expanded the fraction 1/2 by multiplying both the top and bottom by 3. "

为了得到一个公分母，我把1/2这个分数进行了扩分，分子分母都乘以了3。

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verb

扩大，扩张。

To change from a smaller form/size to a larger one.

Examples :

"Many materials expand when heated."

许多材料受热时会膨胀。

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verb

扩大，扩张。

To increase in extent, number, volume or scope.

Examples :

"The school library expanded its collection of books to include more science fiction novels. "

学校图书馆扩大了藏书范围，增加了更多的科幻小说。

amount business economy number

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verb

详细阐述，详述.

To speak or write at length or in detail.

Examples :

"He expanded on his plans for the business."

他详细阐述了他的商业计划。

language communication writing

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verb

变得慷慨，心胸开阔

To feel generous or optimistic.

Examples :

"Seeing her daughter's success in school, Sarah expanded with pride and optimism about her future. "

看到女儿在学校取得成功，萨拉感到非常自豪，也变得更加慷慨乐观，对她的未来充满了希望。

mind emotion attitude