name two materials the sound must travel through to reach her ears.1._2._

分类: 作业答案 • 2022-05-07 21:51:24

问题描述：

name two materials the sound must travel through to reach her ears.1.___________2.___________

答

说出两种,声音必须经过它们,才能到达她的耳朵的材料的名称.
我不是问你有没有上下文了么.
如果宽泛的说,只有一种air 空气.
因为一般声音,直接通过空气就传到了.
没有文章?

name two materials the sound must travel through to reach her ears.1.___________2.___________