echolocation
n. 回声定位法；回声测距
动词：echolocate
近义词：echosounding，
英英释义
Noun
- determining the location of something by measuring the time it takes for an echo to return from it
例句
用作名词(n.)
- Most bats navigate by echolocation.蝙蝠是靠回声定位法来导航的。