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.
該船使用聲納定位沉船在海底的位置。
translation
聲納
詞形變化
Plural
sonars