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。

youdao

You radiate at the same level as a 100-watt light bulb, but it's, of course, distributed over a much larger area, so you're not that hot as a 100-watt light bulb.

你人体的辐射和，一只10 0瓦灯泡一样，但是当然，是分布在更大的区域，所以你没有像，100瓦灯泡那么烫。

youdao

Ultra bright LED is cold light source, can avoid hot bulb burn oral mucosa, The effect is better than the existing import anesthesia laryngoscope.

超高亮LED属冷光光源，可防止灯泡过热灼伤口腔黏膜，效果优于现有的进口的麻醉咽喉镜光纤冷光源。

youdao

One light bulb will be hot (1st switch) and one will be warm (2nd switch).

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Does it make sense to ban the old light bulb in a world where we are encouraged to store Terrabytes of pointless photographs forever on fire-hot Web-servers forever spinning in a Google server farm?

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