sonar 英式发音['səʊnɑː]美式发音['sonɑr]
sonar英英释义
声纳；声波定位仪（等于asdic）英释中释nequipment on a ship or submarine that uses sound waves to find out the position of objects under the water
sonar短语
passive sonar,被动声纳；无源声纳.短语
声纳；声波定位仪（等于asdic）英释中释nequipment on a ship or submarine that uses sound waves to find out the position of objects under the water
passive sonar,被动声纳；无源声纳.短语
