sonar
US /ˈsoʊ.nɑːr/
UK /ˈsəʊ.nɑːr/
名词
声纳
a system for the detection of objects under water and for measuring the water's depth by emitting sound pulses
示例:
•
The submarine used sonar to navigate through the deep ocean.
潜艇利用声纳在深海中航行。
•
Fishing boats often use sonar to locate schools of fish.
渔船经常使用声纳来探测鱼群。