- a communication and position-finding device used in underwater navigation and target detection using echolocation
单词 | sonar |
释义 | WordReference Random House Learner's Dictionary of American English © 2024 so•nar /ˈsoʊnɑr/USA pronunciation n. WordReference Random House Unabridged Dictionary of American English © 2024
so•nar (sō′när),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: sonar /ˈsəʊnɑː/ n
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