#08年公共英语考试一级阅读：Waves 搜索结果
WavesHowdoeslightgetfromthesuntotheearth?Howdoesmusicgetfromthestagetotheaudience?Theymovethesameway-----inwaves!Lightandsoundareformsofenergy.Allwavescarryenergy,buttheymaycarryitdifferently.Lightands
