be busy doing英语标准发音：be busy doing英式发音：美式发音：翻译中文忙着做be busy doing - 基本释义[词典1]忙着干(某事)be busy doing - WEB词典be busy doing忙着做忙于做某事忙于做be e busy doing sth忙于be kept busy doing sth被迫忙于 参考资料： 1.百度翻译：be busy doing2.有道词典：be busy doing3.爱词霸：be busy doing
