per
UK
US
Paraphrase
分析词义
"Per"是一个常用的英语介词。在数字或比例语境中,"per"经常用来表示"每",例如每小时、每千米等。它也可以被理解为"通过"或"依据",如按某人的指示或方案进行一系列cao作。
列举例句
词根分析
“Per”来自拉丁文的“per”,意思是“through”,在英文中作为量词或介词使用。
词缀分析
“Per”没有词缀,它是一个完整的词。
发展历史和文化背景
英语中的"per"直接源于拉丁语,具有"通过"或"每一"的含义,自古代以来,这个词在英语中经常用于表达比例或分配。
单词变形
“Per”作为介词,没有变形。
记忆辅助
一种理解和记忆“per”的方式是将它与一种常见的测量单元或频率相关联。比如"per hour"(每小时),"per day"(每天),"per week"(每周)等,通过这些常见的语境,更易记住"per"的含义和用途。
小故事
Emily walks 5 miles per day to keep fit. Everybody admires her perseverance.
艾米丽为了保持身材,每天要走五英里。大家都佩服她的毅力。
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