4周搞定2000+托福核心词
回波定位
echolocation
常考释义
Echolocation is pretty self-explanatory; using echoes reflected sound waves to locate things.
回声定位其实就不言自明了，就是用回声反射声波来定位事物。
来源于：听力OFFICIAL7 L2n. 回声定位
Most bats navigate by echolocation.
大多数蝙蝠凭回声定位飞行。
While many species do use echolocation, some have excellent night vision and don't rely
很多种蝙蝠使用回声定位。但也有一些蝙蝠拥有优秀的夜视能力，它们根本不靠回声定位。
Echolocation calls are ultrasonic ranging in frequency from 20 to 200 kilohertz.
用于回声定位的叫声是20－200千赫之间的超声波
Echolocation is pretty self-explanatory; using echoes reflected sound waves to locate things.
回声定位其实就不言自明了，就是用回声反射声波来定位事物。
来源于：听力OFFICIAL7 L3But the one we are concerned with today is the rapid clicks that they use for echolocation, so they can sense what is around them.
但是我们今天所讲的声音是他们用以回声定位的咔嚓声. 这样他们就能感知周围的事物。
来源于：听力OFFICIAL23 L5以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
