英语词汇round-trip echo怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	round-trip echo
释义	round-trip echo 【电磁学】往复回波
随便看	heat pollution heatproof heatproofs heat prostration heat prostrations heat pump heat pumps heat rash heat rashes heat rate heat reactor heat release heat reservoir heat-resistant heat-resistant alloy heat-resisting heat-resistings heatronic heats heatseal heatsealing heat seeker heat-seeking heaver heavers

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。