noun🔗Share回声探测器，声呐测深仪 A sonar device used for echo sounding"The fishing boat used its echosounder to locate a school of fish deep below the surface. "渔船使用回声探测器来定位水面下很深的一群鱼。technologynauticaldevicesoundoceanelectronicsmachineChat with AIVocabulary GamePractice Reading
