expansion
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分析词义:Expansion 这个单词意为“拓展”,“扩大”,“膨胀”,或者“扩展名”。它既可以用于描述客观事物的大小或范围的增加,也可以形象地描述抽象概念的发展或扩散。
列举例句:
词根分析:Expansion源于拉丁词汇“expanse”,由“ex-”(表示“出”)和“-pandere”(表示“展开,铺开”)组合而成。其它词根衍生词,例如: expand (展开), expansive (广阔的,先见之明的).
词缀分析:Expansion 是由词根 "expand" 加上后缀 "-ion" 形成的,后缀 "-ion"表示行动或结果。与它有相同词缀的单词有action (动作), completion (完成).
发展历史和文化背景:"Expansion"源自14世纪的欧洲,最先用于描绘物理世界的伸展和拉伸,后来在商业和经济中用于描述市场和公司的扩张。
单词变形:Expand (动词), expanded (动词过去式、过去分词), expanding (现在分词), expansive (形容词), expansively (副词).
记忆辅助:你可以通过将 expansion 和 expand 关联在一起来记住这个单词。思考“展开(expand)”后的结果,就是“扩展(expansion)”。
小故事:Lucy dreamed of the expansion of her small bakery into a nationwide chain. With hard work and an expansive vision, she turned it into reality. (Lucy梦想将她的小面包店扩展成全国连锁店。通过努力工作和广阔的视野,她把它变成了现实。)
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