英语词汇bells and whistles怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	bells and whistles
释义	bells and whistlespl.n.（复数名词） Nonessential features or enhancements intended especially to add commercial appeal.华而不实，小特性：尤指为增加商业吸引力而使用的不重要的特色和增强
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