Sonar is a system that uses sound waves to detect underwater objects or for navigation. It can also refer to a sonar operator.
声呐是一种探测水下物体或导航的声波系统，也可以指操作此系统的声呐兵。
| 单词 | sonar |
|---|---|
| 音标 | [ˈsəʊnɑ:(r)] [ˈsoʊnɑ:(r)] |
| 释义 | n.["声呐装置，声呐系统","声呐兵"] |
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