声音是人类最早研究的物理现象之一,中国先秦时就说“凡响曰声”.声引起的感觉是响,但也称为声.我们每天都会听到各种各样的声音,可是你了解声音吗? 来看一个小实验:把收音机中的扬声器平放在桌上,在扬声器上放一些泡沫小球,当音乐晌起时,泡沫 Sound is one of the earliest physical phenomena studied by human beings. When the Chinese pre-Qin Dynasty said, “there was a loud groan.” The sensation caused by sound is loud, but it is also called sound. We hear a variety of voices every day, but you understand Sounds? Look at a little experiment: Place the speakers in the radio on the table, put some foam balls on the speakers, when the music is picked up, the bubble