20世纪初,美国有一位声音天才查尔斯,他模仿鸟鸣的能力令人称奇。更让人惊叹的是,他竟声称能用自己的声音灭火。真的如此吗?一试便知。通过研究查尔斯用声音灭火的实验发现,他使用的是一种被称为灵敏焰的火源,这种火源与普通的火焰大不相同,它对声音会产生很大的反应。点燃火焰之后,我们开始用声音灭火。虽然火焰随着 At the beginning of the 20th century, there was a sound genius Charles in the United States. His ability to imitate the birdsong was amazing. Even more amazing is that he actually claimed to be able to use their own voice out of fire. Really? A try to know. Through the study of Charles's experiment with sound-extinguishing, he found that he used a source of fire known as a flame of a very different nature from that of a normal flame, which produced a great response to sound. After lighting the flame, we started to extinguish the fire with sound. Although the flame followed