Oil smoothes the water surface, making it a better mirror: more sunlight is reflected back to the observer (the satellite) at the same angle as the incoming sunlight (right).
油污使水面变得平滑，让它更接近于一面镜子：更多的入射日光被反射回处于同一角度的观测器（卫星）。
2
Photons travelling at any other angle within the material are reflected back inside when they reach the surface.
在发热材料内其运动方向与材料表面成其它任何角度的光子在碰到表面时都会被反弹回来。
3
Holding his Martini glass at a casual angle, Ken reflected to no one in particular, “We have . . . always lived beyond our means.”