sonar
英 ['səʊnɑː]
美['sonɑr]
- n. 声纳；声波定位仪（等于asdic）
- n. (Sonar)人名；(土)索纳尔
英英释意
- 1. a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; sonar is an acronym for sound navigation ranging; asdic is an acronym for anti-submarine detection investig