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关于Science的英语填空题关于Refraction(光折射)1.Differentmediahavedifferentd.Forexample,glassisdthanair.2.Whenlightmovesfromonemediumtoanothermediumitchangesitss.

题目详情
关于Science的英语填空题
关于Refraction(光折射)
1.Different media have different d______ .For example ,glass is d______ than air.
2.When light moves from one medium to another medium it changes its s________.
▼优质解答
答案和解析
1.densities ?
2.denser ?
3.speed ?
经过我的努力终于知道查到了2怎么添了~~