Think about a light bulb; if you apply a current, the filament gets hot and begins to give off light of different colors - red then yellow then blue.
试想下灯泡，如果接通了电流，灯丝会变热继而发出不同颜色的光-从红到黄再到蓝色。
An electric light bulb that produces light by heating a filament, usually of tungsten, to a temperature at which yellow or white light is produced.
一种通过灯丝受热而发光的电灯泡，灯丝材料通常是钨，受热达到发出黄色或白色光的温度。
An electric light bulb that produces light by heating a filament, usually of tungsten, to a temperature at which yellow or white light is produced.
一种通过灯丝受热而发光的电灯泡，灯丝材料通常是钨，受热达到发出黄色或白色光的温度。
应用推荐