Now generally use tungsten light bulb filament to do.
现在的灯泡一般都选用钨丝做灯丝。
Tungsten light bulbs cast very yellow light. And any surface that light bounces off can add its color.
钨丝灯光明显偏黄,而且反射这种光线的表面也会呈现出相应的颜色。
The highest temperature-and thus the brightest light-that an incandescent lamp can achieve is the melting point of its tungsten filament.
一盏白炽灯所能达到的最高温度——即最大亮度——是其钨丝熔点的温度。
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