Without much tissue toscatter light, it is easier to be see—through.
没有太多的组织来散射光线, 它更容易被看穿。
2015北京卷
Some materials slow andscatter light, bouncing it away from its original path.
有些材料会减慢并散射光线, 使其偏离原来的路径。
2015北京卷
The real challenge is preventing light fromscattering.
真正的挑战是防止光散射。
2015北京卷