must have been英语标准发音：must have been英式发音：美式发音：翻译中文需要是must have been - 基本释义[词典1]需要是需要对过去的肯定推测对过去的推测must have been - WEB词典It Must Have Been Love那需要是爱Must have been a fool必须是被愚弄 参考资料： 1.百度翻译：must have been2.有道词典：must have been3.爱词霸：must have been
