| 词汇 |
sonar |
| 释义 |
sonar noun /ˈsəʊnɑː(r)/ /ˈsəʊnɑːr/ [uncountable] - equipment or a system for finding objects underwater using sound waves声呐(利用声波探测水下物体的装置或系统) compare radar
Collocations DictionarySonar is used before these nouns: 词源1940s: from so(und) na(vigation and) r(anging), on the pattern of radar.
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| 随便看 |
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