be well up in英语标准发音：be well up in英式发音：美式发音：翻译中文身体健康be well up in - 基本释义[词典1]精通,熟悉精通be well up in - WEB词典be well up in精通熟悉精晓认识be e well up in精通be well up in something精通 参考资料： 1.百度翻译：be well up in2.有道词典：be well up in3.爱词霸：be well up in
