sonar
🇺🇸
/ˈsəʊnɑːr/
🇬🇧
/ˈsəʊnɑː(r)/
noun
R
A device that uses sound waves to detect objects underwater.
The boat used sonar to locate the sunken ship on the ocean floor.
该船使用声纳定位沉船在海底的位置。
translation
声呐
词形变化
Plural
sonars