英语词汇“by/on/upon request”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	by/on/upon request
释义	by/on/upon request idiom : by asking for something usually in a formal way Catalogs are available by/on/upon request.
随便看	creances crease creased creaseless creaser creasers creases creashaks creasier creasiest creasing creasol creasote creasy creat create create a vacuum created createdness creates creatia creatic creatin creatine creatine kinase

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by/on/upon request