echo-sounding英语标准发音：echo-sounding英式发音：美式发音：翻译中文回声测深echo-sounding - 基本释义[词典1]回声探鱼，回声测深echo-sounding - WEB词典echo-sounding回声测深回声探测echo-sounding gear回声测深仪回声探测仪echo-sounding instrument回声测深仪回声探测仪 参考资料： 1.百度翻译：echo-sounding2.有道词典：echo-sounding3.爱词霸：echo-sounding
