顶光Top light可以认为是酷暑中正午的光线情况，从头顶照射的主光线，对拍摄肖像等是最不适合的灯光。
n. spotlight
misc. borderlight ; toplight ; toplighting
在顶光中的格栅都经过精心模拟以削减阳光的直射。
The louvers on the top light are simulated carefully to cut the direct sunlight.
广泛应用于舞台、电视台、剧场等的面光、顶光、侧光、逆光。
This fixture is usually used in the occasion of stage, TV studio, theater etc for a front , top, side or reverse throw.
同样，侧光、顶光和底光能够在物体上投射出深而长的影子，从而制造出立体感。
Again, lighting from the side, above, or below, by casting deeper and longer shadows, creates the sense of volume.
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