英语词汇unfaithfulness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	unfaithfulness
释义	unfaithfulness /ʌnˈfeɪθfʊlnɪs/ n. 1.(betrayal)不守信用；背信弃义 2.(sexual infidelity)不忠；有外遇；有婚外情 3.(inaccuracy)不确切；不准确；不可靠
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