under one's breath英语标准发音:under one's breath英式发音:美式发音:翻译中文一口气under one's breath - 基本释义[词典1]低声地under one's breath - WEB词典under one's breath压着嗓子低声地悄声地轻声细语speak under one's breath低声讲话低声细语mutter under one's breath喃喃自语 参考资料: 1.百度翻译:under one's breath2.有道词典:under one's breath3.爱词霸:under one's breath