surround ratio英语标准发音：surround ratio英式发音：美式发音：翻译中文环境比surround ratio - 基本释义[词典1]环境比surround ratio - WEB词典surround ratio环境比 参考资料： 1.百度翻译：surround ratio2.有道词典：surround ratio3.爱词霸：surround ratio
