点光源从一个位置向四面八方发出光线，就像一盏灯。
Point lights shine from a location equally in all directions, like a light bulb.
点光源从一个位置向四面八方发出光线，就像一盏灯。
Directional lights are placed infinitely far away and affect everything in the scene, like the sun.
它给点煤气灯的城市和点蜡烛的乡村带来了一种安全的新光源。
It brought a new, safe light to the gas lit cities and candlelit countryside.
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