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

分类: 作业答案 • 2022-05-29 18:45:45

问题描述：

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

答

说出两种材料的名称,声音必须经过它们,才能到达她的耳朵.
1.__air_________2.___________
没有上下文么?

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