refraction
/refraction/
the change in direction of a propagating wave (light or sound) when passing from one medium to another
中文释义:折射
The refraction of light through a prism creates a spectrum of colors.
光通过棱镜的折射产生光谱。
Seismic waves undergo refraction when they encounter different rock layers.
地震波遇到不同岩层时会发生折射。