expand
/ɪkˈspænd/ 动词 B1中文: 扩展、扩张、扩大、扩充
- To change (something) from a smaller form or size to a larger one; to spread out or lay open. · You can expand this compact umbrella to cover a large table.
- To increase the extent, number, volume or scope of (something). · A flower expands its leaves.
- To express (something) at length and/or in detail.
- To rewrite (an expression) as a longer, yet equivalent, sum of terms. · Use the binomial theorem to expand #123;(x#43;1)#125;⁴.
- To become, by rewriting, a longer, yet equivalent, sum of terms. · The expression #123;(x#43;1)#125;⁴ expands to x⁴#43;4x³#43;6x²#43;4x#43;1.
- To multiply both the numerator and the denominator of a fraction by the same (non-zero) number (which yields a fraction of equal value). · Expanding 4#47;7 by 3 gives 12#47;21.
- To change or grow from smaller to larger in form, number, or size. · Many materials expand when heated.· This compact umbrella expands to cover a large table.
- To increase in extent, number, volume or scope.
复数 expand · He/she/it expands · 过去式 expanded · 过去分词 expanded · -ing形式 expanding
动词形式
- 原形
- expand
- He/she/it
- expands
- 过去式
- expanded
- 过去分词
- expanded
- -ing形式
- expanding
来自图书馆
Anne expanded like a flower under this wholesome influence and carried home to the admiring Matthew and the critical Marilla glowing accounts of schoolwork and aims.
Apart from her studies Anne expanded socially, for Marilla, mindful of the Spencervale doctor’s dictum, no longer vetoed occasional outings.
For an instant the wrinkles were smoothed away, the nose drew away from the chin, the lower lip ceased to protrude and the mouth to mumble, the dull eyes regained their fire, the drooping figure expanded.
His head had been horribly mutilated by an expanding revolver bullet, but no weapon of any sort was to be found in the room.
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