sonar
/'sәunɑ:/
📖 中文释义
- n. 声纳
- [计] 声纳
🔗 释义中的汉语词
🧩 词形变化
复数 sonars
📘 English Definition（英文释义）
- n. 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