While smooth surfaces send back a reversed, right-polarized wave, rough areas return left-polarized waves.
光滑表面会反射一个反向的优选极化波，而粗糙地区的反射波是左旋极化波。
2
In optics, scientists look for atomically smooth and wave-free surfaces.
在光学上，科学家们在寻求原子级上光滑和无波的表面。
3
A nuclear blast is an explosion with intense light and heat, a damaging pressure wave, and widespread radioactive material that can contaminate the air, water, and ground surfaces for miles around.