Glass windows refl sunlight into the room.

玻璃窗反射阳光到房间里。

The mirror can refl light very effectively.

这面镜子可以非常有效地反射光线。

The polished floor refl the overhead lights.

抛光的地板反射了头顶的灯光。

Water surfaces often refl the sky and surrounding scenery.

水面经常反射天空和周围的景色。

The smooth surface of the lake refl the mountains perfectly.

湖面光滑，完美地反射了山脉。

Refl: Uses the direction of the reflection vector as coordinates. You will need this input when Environment Mapping.

反射：使用反射向量的方向作为坐标。环境映射需要这种输入。