expansion
/ɪkˈspænʃn/
noun
标准词条
CET-4
一句话记住
扩大,扩展;扩张;膨胀
释义与例句
noun
扩大,扩展;扩张;膨胀
the act of becoming or making something larger in size, number, or importance
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The company announced plans for expansion into new markets.
公司宣布了向新市场扩张的计划。
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The expansion of the universe is a key concept in astronomy.
宇宙的膨胀是天文学中的一个关键概念。
展开其余 1 条例句
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Heat causes the expansion of most materials.
热量会导致大多数材料膨胀。
词源与构词
记忆钩子
expand(扩大)+ sion(名词后缀)→ 扩大的过程 → 扩展、扩张。
词族与关联词
词族(同一词根派生出的不同词性或形式)
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expand 扩大;膨胀expansion 的动词词根。
同义词
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growth 增长;发展growth 侧重数量或规模的增长,expansion 侧重空间或范围的扩展。The city has experienced rapid growth in recent years. 这座城市近年来发展迅速。
反义词
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contraction 收缩;缩减contraction 指收缩或缩减,与 expansion(扩张、膨胀)相反。Cold weather causes the contraction of metal. 寒冷天气会使金属收缩。
常见搭配
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rapid expansion 迅速扩张The rapid expansion of the city led to traffic problems. 城市的迅速扩张导致了交通问题。
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expansion into 向……扩张The firm is planning expansion into Asia. 该公司正计划向亚洲扩张。
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expansion of ……的扩大The expansion of the factory created new jobs. 工厂的扩大创造了新的就业机会。