echolocation
英 [ˌekəʊləʊˈkeɪʃn]
美 [ˌekoʊloʊˈkeɪʃn]
n. (尤指海豚、蝙蝠等动物的)回声定位
COCA.37932
牛津词典
noun
- （尤指海豚、蝙蝠等动物的）回声定位
the use of reflected sound waves for finding things, especially by creatures such as dolphins and bats
柯林斯词典
- N-UNCOUNT 回声定位;回声探测
Echolocationis 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.- Most bats navigate by echolocation.
大多数蝙蝠靠回声定位来飞行。
- Most bats navigate by echolocation.
英英释义
noun
- determining the location of something by measuring the time it takes for an echo to return from it
双语例句
- Shear, clip, blankets, bat, echolocation, pitch, bounce off, prey.
剪断，发卡，毯子，蝙蝠，回声定位，投掷，大发议论，捕食。 - We discussed the adaptive evolution of mammals based on two aspects. One is about the mechanisms of echolocation in whales and bats, the other is on the molecular adaptive evolution of bats dietary switch.
本论文从两个方面探讨了哺乳动物生存的适应性进化机制，一方面是研究鲸和蝙蝠回声定位的分子适应性进化机制，另一方面是研究蝙蝠食性的分子适应性机制。 - We studied the echolocation calls and acoustic response properties in the inferior colliculus of the least horseshoe bat Rhinolophus pusillus.
研究了菲菊头蝠自由飞行状态下的回声定位信号和下丘神经元的声反应特性。 - 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。 - The answer is that they use echolocation or sonar.
它们用回声定位或者说声纳系统。 - Echolocation is a highly technical and interesting tactic.
回声定位是一项具有高度技术性和趣味性的手段。 - Echolocation system and flight are two characters which distinguish bats from other mammalians.
蝙蝠的回声定位系统和飞行是区别于其他哺乳动物的两大特征。 - In terms of pitch, bats produce echolocation calls with both constant frequencies and varying frequencies that are frequently modulated.
关于音调，蝙蝠用恒定频率和频繁调整的变化频率发出回声定位的叫声。 - Except for echolocation, they also have the ability of powered flight.
除已经提到的回声定位，蝙蝠还具有主动飞翔的能力。