expend
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分析词义:"Expend" 是一个动词,意思是"花费"或"用尽"。它有两种基本含义。一种是花费jinqian,另一种是用尽或消耗某种无形的ziyuan,如时间或精力。
列举例句:
词根分析:"Expend" 来自拉丁词根 "pend-",意思是"花费"或"挂起"。衍生词有 spend, pendulum, pendulous 等。
词缀分析:"Expend" 中的前缀 "ex-" 的意思是"出",词根 "pend" 是"挂"或"花费"。所以整个单词的意思就是花出、放出、用出。类似的单词有"exclude"(排除)、"export"(出口)等。
发展历史和文化背景:"Expend" 这个词在15世纪从拉丁语引入英语,最初的用法跟现在相似,主要指的是花费ziyuan或精力。
单词变形:
- 过去式和过去分词: expended
- 现在分词: expending
- 名词形式: expenditure(花费)
记忆辅助:为了更好地记忆"expend"这个单词,你可以使用联想记忆法,将"expend"和其他与花费或消耗相关的词语或短语联系起来,如"expend energy" 或 "expend time"。
小故事:John decided to expend his savings to start his own business. It was a risky move, but he believed in his idea.(约翰决定花费他的存款来开设自己的生意。这是个冒风险的举动,但他相信自己的想法。)
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