从我们呱呱坠地起,就每时每地处在声音的包围中,比如妈妈的歌声、小鸟的叫声、公路上的汽笛声以及自然界的风雨声等。然而有个地方,声波在那里都“灰溜溜”地消失了,它就是消声室。消声室里面是什么样子?它是怎样让声波变没的?人们为什么要建消声室?下面,就让我们跟随豆豆寻个究竟吧!星期天,吃完早饭,家住南京大学家属区的豆豆去找小伙伴们。他下了楼,没走多远,就看见前面许多人在排队,其中有不少家长带着 From the moment we were born, we were constantly surrounded by sounds, such as mother’s singing voice, bird’s voice, whistle on the road and nature’s wind and rain. However, there is a place where the sound waves disappear “dingy” and it is the anechoic chamber. Why does the sound wave change? Why do people want to build anechoic chamber? Let us follow the Peas to find out what! Sunday, after breakfast, who lives in the family area of ​​Nanjing University Peas go find friends. He went downstairs, did not go far, saw many in front of people in line, many of them with parents