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expand

/ɛkˈspænd/

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verb

扩张，扩大，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，它就能扩展到足够遮盖一张大桌子。

area mass business economy amount space essential ielts toeic

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verb

扩大，扩张

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

Examples :

"A flower expands its leaves."

花朵舒展开它的叶子。

amount business economy essential ielts toeic

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verb

详细阐述，详述。

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

Examples :

"The teacher expanded on the history of the Roman Empire, explaining its social structures in detail. "

老师详细阐述了罗马帝国的历史，详细解释了它的社会结构。

communication language writing essential ielts toeic

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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，把它写成更长的等价项之和。

math essential ielts toeic

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verb

展开，推演。

(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 language essential ielts toeic

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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 simplify the fraction 2/4, we can expand it to 4/8. "

为了简化分数2/4，我们可以把它扩分到4/8。

math essential ielts toeic

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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."

很多材料受热时会膨胀。

physics biology chemistry physiology business economy science essential ielts toeic

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verb

扩大，扩张，扩展

To increase in extent, number, volume or scope.

Examples :

"The company plans to expand its product line to include new types of clothing. "

这家公司计划扩大其产品线，加入新款服装。

business economy science technology essential ielts toeic

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verb

详细阐述，扩展，详述.

To speak or write at length or in detail.

Examples :

"He expanded on his plans for the business."

他详细地阐述了他的商业计划。

language communication writing essential ielts toeic

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verb

心情舒畅, 乐观, 感到振奋.

To feel generous or optimistic.

Examples :

"Seeing her son get a good grade on his test, Sarah expanded with happiness. "

看到儿子考试得了高分，萨拉感到心里充满了喜悦，心情舒畅极了。

attitude mind character emotion essential ielts toeic