to friends, and felt something was slightly off? Maybe you found that it sounds different from your..., it sounds different because of the different medium of sound. In daily life, when people have ……

, scientists put small electrodes (电极) on 20 hedgehogs. While sounds of different frequencies were played... sounds up to 20 kHz, hedgehogs are able to hear sounds up to 85 kHz.Hedgehogs (刺猬) have much better ……

. What is the last paragraph mainly about?A. Different explanations of why humans fear sounds.A. Different explanations of why humans fear sounds.B. Dangers humans know from sounds in the past.B ……

听自然之声，享受慢生活。词数 356 建议阅读时间 6分钟Radio is for sounds: the sounds of different kinds of music...”. This kind of program consists of different sounds from the ones we usually hear on radio shows ……

folk stories. They sing and make the sounds of different animals, for example, barking like.... They sing and make the sounds of different animals, for example, barking like dogs and roaring (吼叫 ……

. They are A, E, C and G. Each one sounds different. It’s straightforward (简单明了的) to learn.... They are A, E, C and G. Each one sounds different. It’s straightforward (简单明了的) to learn ……

-sorting throughout the year. The way Beijing sorts its trash sounds different from cities like... the year. The way Beijing sorts its trash sounds different from cities like Shanghai, Tianjin ……

-sorting throughout the year. The way Beijing sorts its trash sounds different from cities like... the year. The way Beijing sorts its trash sounds different from cities like Shanghai, Tianjin, Wuhan ……

signals from their ears to the brains while playing sounds at different frequencies. They found... to record signals from their ears to the brains while playing sounds at different frequencies ……

share with our friends sounds different from laughter with strangers.In the tests, researchers ……

work as a kind of white noise, according to Spelman. White noise is a mixture of sounds with different... of sounds with different frequencies (频率). It can help people stay focused (精力集中的). In fact ……

hedgehogs to record signals from their ears to the brains while playing sounds at different... at different frequencies. They found that the hedgehogs’ brains responded to sounds as high as 85 kHz ……

the sounds of different animals in English?How do we describe the sounds of different animals... to understand their languages! In Professor Karen Bakker’s new book, The Sounds of Life: How Digital ……

. Mixing the sounds of different instruments, film composers (电影配乐师) create music that guides audiences.... The recorded tracks are then mixed to balance (平衡) different instruments and sounds before the final ……

;White noiseWhite noise is a type of noise produced by combining sounds with different frequencies...) or the purring (嗡嗡声) of the engine. White noise masks distracting sounds and is helpful for people ……