...if we did not have air ,there would be no sound because sound _英语解答

...if we did not have air ,there would be no sound because sound travels through air对划线部分提问
sound because sound travels through air提问

人气：207 ℃　时间：2020-03-01 06:16:40

解答

如果没有空气就不会有声音,因为声音的传播需要以空气为介质.