echolocation是什么意思？

echolocation

英[ˌekəʊləʊˈkeɪʃn] 美[ˌekoʊloʊˈkeɪʃn]

• n. 回声定位能力，回声定位法；

例句

• Some bats have specialized structures for emitting echolocation calls. 一些蝙蝠已经把用于发出回声定位叫声的结构专门化了.
• Most bats produce echolocation sounds by contracting their larynx. 大多数蝙蝠通过收缩喉咙所发出的声音实现回声定位.
• Most bats navigate by echolocation. 大多数蝙蝠靠回声定位来飞行。

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  回声定位;回声探测
  Echolocation is a system used by some animals to determine the position of an object by measuring how long it takes for an echo to return from the object.
  例句
  Most bats navigate by echolocation. 大多数蝙蝠靠回声定位来飞行。

英英词典释义

• Noun
  1. determining the location of something by measuring the time it takes for an echo to return from it

行业词典

• 动物学： 回声定位；
  生理学： 回声定位；