sonarKK [ˋsonɑr] /ˈsoʊnɑɹ/发音名词1声纳、声纳系统The submarine used sonar to locate the sunken cargo ship.潜艇利用声纳找到那艘沉没的货船。2回声定位Bats navigate in total darkness using a kind of natural sonar.蝙蝠靠一种天然的回声定位在全然的黑暗中飞行。形容词1声纳的限定用法The sonar operator reported a faint contact to the north.声纳操作员报告北方有微弱的讯号。用这个字练口说→