摘要
光和声音无处不在。光波和声波从一个地方传到另一个地方,可以被看到和听到。光是人眼可见的,对视觉负责。它是一种能量形式,当它从物体表面反射出去时,我们可以看到它。声音是一种能够通过固体、液体和气体而产生的机械振动,并且通常可以通过听觉来识别。
Light and sound is found everywhere.Light and sound waves travel from place to place and can be seen and heard.Light is visible to the human eye and is responsible for the sense of sight.It is a form of energy we can see when it is reflected off the surface of an object.Sound is a mechanical vibration that can pass through solids,liquids,and gases and can usually be identified by the sense of hearing.
