英语词汇“ballon d'essai”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	ballon d'essai
释义	ballon d'essai ballon d'essai (bæˈlɔ̃ dɛˈseɪ) n, pl ballons d'essai (bæˈlɔ̃ dɛˈseɪ) a project or policy put forward experimentally to gauge reactions to it. Compare trial balloon[C19: from French, literally: trial balloon]
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