玻璃杯中只有一条小鱼而眼睛从前上方可以看到自上而下有四条鱼如图所示其中看到最上面的一条鱼的光路经过了 A.一次折射b.一次反射和一次 Template




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tomski玻璃杯中只有一条小鱼而眼睛从前上方可以看到自上而下有四条鱼如图所示其中看到最上面的一条鱼的光路经过了 a.一次折射b.一次反射和一次 coloring