SONARWiktionary 原文英美n.声纳中文释义来自 ECDICT词源说明Acronym of sound navigation and ranging. Coined by American scientist Frederick Vinton Hunt in the 1940s, roughly contemporaneously with radar. The lowercase form (sonar) is by anacronymic evolution.释义名词noun1Dated form of sonar.同族词相关词 4lidar·LIDAR·radar·RADAR