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

分类: 作业答案 • 2021-12-28 15:09:36

问题描述：

...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

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.