echolocation

简明释义

英[ˌekəʊləʊˈkeɪʃ(ə)n]美[ˌekoʊloʊˈkeɪʃn]

n. 回波定位；回声测距；回声定位能力（鲸和蝙蝠等所具备得一种机能）

英英释义

单词用法

同义词

反义词

例句

1.These species use echolocation to find their way and identify food.

这些物种利用回声定位来寻找方向并识别食物。

2.The inspiration for the garment is the bat's echolocation system.

这件衣服的设计灵感源自蝙蝠的回声定位系统。

3.They also found no evidence that the patient was navigating by echolocation, the way that bats do.

他们同样发现病人也没有利用蝙蝠的回声定位法。

4.The scientists then recorded, and later computer analyzed, the echolocation calls emitted by the bats in response to the dangling mealworms.

科学家然后开始记录，之后电脑分析出结果。

5.This echolocation in bats is often compared with radar, the principle of which is similar.

蝙蝠这种回响定位法常拿来和原理与之很相近似的雷达比拟。

6.Vision is used by micro bats to travel over long distances beyond the range of echolocation.

微型蝙蝠利用视觉进行超出回声定位范围的长距离飞行。

7.Whales and dolphins rely on their responsive hearing to interpret returning echolocation clicks.

鲸鱼和海豚靠回声定位系统来辨别方向。

8.The bat judges distance by a kind of echolocation.

蝙蝠通过一种回声定位来判断距离。

9.In addition to echolocation, they can sensethe electric fields of their prey – the first time this has been seen in truemammals.

除了回声定位，他们可以感觉到他们猎物的电场 -这首次在真正的哺乳动物被观测到。

10.Dolphins communicate and locate objects underwater through echolocation.

海豚通过回声定位在水下交流和定位物体。

11.The echolocation ability of certain species is crucial for their survival.

某些物种的回声定位能力对它们的生存至关重要。

12.Bats use echolocation to navigate and find food in the dark.

蝙蝠使用回声定位在黑暗中导航和寻找食物。

13.Some blind people use echolocation techniques to help them navigate their surroundings.

一些盲人使用回声定位技术来帮助他们在周围环境中导航。

14.Scientists study echolocation to understand how animals perceive their environment.

科学家研究回声定位以理解动物如何感知其环境。

作文

Echolocation is a fascinating biological phenomenon that enables certain animals to navigate and locate objects in their environment using sound waves. This incredible ability is primarily found in species such as bats, dolphins, and some birds. The process of echolocation (回声定位) involves the emission of sound waves that bounce off objects and return to the sender, allowing the animal to interpret the distance, size, and even texture of the object based on the echoes it receives.Bats are perhaps the most well-known users of echolocation (回声定位). When a bat flies through the night, it emits high-frequency sounds, often beyond the range of human hearing. These sounds travel through the air, and when they encounter an object, they reflect back to the bat’s ears. By analyzing the time it takes for the echoes to return and the changes in pitch, bats can accurately determine the location of insects, obstacles, and even other bats. This skill is particularly crucial for their survival, as it allows them to hunt effectively in complete darkness.Dolphins also utilize echolocation (回声定位) in their underwater environment. They produce clicks and whistles that travel through water, a medium that carries sound much better than air. Similar to bats, dolphins listen for the returning echoes to gauge the size and distance of objects around them. This ability not only helps them find food but also aids in communication with other dolphins. Research has shown that dolphins can even distinguish between different types of fish based on the echoes they receive, showcasing the sophistication of their echolocation (回声定位) abilities.Birds like the oilbird and swiftlet are also known to use echolocation (回声定位). These birds emit sounds that bounce off surfaces in dark caves or dense forests, enabling them to navigate and find food in environments where visibility is limited. The use of echolocation (回声定位) in these species highlights the diverse adaptations that have evolved in the animal kingdom to cope with various ecological niches.The study of echolocation (回声定位) has not only expanded our understanding of animal behavior but has also inspired technological advancements in sonar and navigation systems. Engineers have developed devices that mimic the natural echolocation (回声定位) processes used by animals. These technologies are utilized in various fields, including underwater exploration, robotics, and even in assisting visually impaired individuals to navigate their surroundings. In conclusion, echolocation (回声定位) is a remarkable adaptation that showcases the ingenuity of nature. It serves as a vital tool for survival for many species, allowing them to thrive in environments that would otherwise pose significant challenges. As we continue to explore and understand this phenomenon, we can appreciate not only the complexities of animal life but also the potential applications of echolocation (回声定位) in human technology. The intersection of biology and engineering through the lens of echolocation (回声定位) exemplifies how nature can inspire innovation and enhance our understanding of the world around us.