The ESL bulbs generate light by firing electrons to stimulate phosphor, and the whole setup is encased in normal light-bulb glass.

在普通的电灯玻璃管内，ESL灯通过向内置的荧光粉发射电子而发光。

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Lamp holder and lamp holder: The lamp holder of common bulb and bulb glass case fall off easily below high temperature circumstance.

灯头与灯座：普通灯泡的灯头与灯泡玻璃壳在高温情况下轻易脱落。

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An incandescent bulb, made of a wire filament encased in glass, emits only 5% of the energy it consumes as light; the rest is wasted as heat.

由灯丝封装在玻璃里而制成白炽灯，只有5%的能量被用于发光；其余都以热能被浪费掉了。

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Chilton pulls out a prop to illustrate his point: a glass bulb about two inches high.

WSJ: Gen. Kevin Chilton: Sounding the Nuclear Alarm

In the light from the overhead bulb with its old glass shade, mixed with sunlight from the window on the nearby landing, I saw myself reflected clearly.

NEWYORKER: Miracle Polish

Getting an incandescent bulb to shine any distance in a glass pipe is like trying to pour water into the wrong end of a funnel--you lose so much, it isn't worth it.

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