sonar

'sәunɑ:

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

n. 声纳
[计] 声纳

17,722

BNC 频率

14,879

使用频率

sonar 是由 son-（声音）和 -ar（与...相关的）组成，表示与声音相关的技术。

例句

1. The submarine used sonar to detect other ships in the area.

潜艇使用声纳探测该区域内的其他船只。

2. Scientists often use sonar to map the ocean floor.

科学家们经常使用声纳绘制海底地图。

3. The fisherman relied on sonar to find schools of fish.

渔民依靠声纳寻找鱼群。