once
UK
US
Paraphrase
分析词义
"once" 是一个英文单词,可以作为副词、连词或者介词使用。
列举例句
作为副词:"I jog in the park once a week."(我每周在公园慢跑一次。)
作为连词:"Once you know the truth, you can make a decision."(一旦你知道了真相,你就可以做出决定。)
作为介词:"Once upon a time, there was a king."(从前,有一个国王。)
词根分析
"Once"来源于古英语"ānes",意为"一次","ā"代表"一","-nes"是古英语的常见后缀,表示具体化。
词缀分析
"Once" 本身就是一个完整的单词,没有词缀。
发展历史和文化背景
"Once"是一个古老的英语单词,已经有上千年的历史。它在语言和文学中有重要的地位。特别是在童话故事中, "Once upon a time" 是开始句型,给人以深刻的印象和情感共鸣。
单词变形
"Once" 不会变形,因为它是副词,连词和介词。
记忆辅助
如果你想记住这个单词,你可以把"once"和你生活中重复的动作关联起来,譬如你每周去一次的超市,干一次的家务等。
小故事
"Once a month, a lovely couple visits the mountain to watch the sunrise. They enjoy the quiet moment together, feeling the warmth of the sun and each other."(每个月一次,一对恩爱的夫妻会去山上看日出。他们享受着安静的时光,感受着阳光和彼此的温暖。)
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