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。

youdao

Now, a nightlight won't hurt, but keeping the TV or computer on or having your normal light on can cause us to wake throughout the night, disturbing our sleep.

现在，一个夜灯也没什么伤害，但是开着电视、电脑，或者开着平常的灯睡觉可能会让你整晚都醒着，扰乱睡眠。

youdao

The psychologists found that mice housed in a lighted room 24 hours a day exhibited more depressive symptoms than did similar mice that had a normal light-dark cycle.

心理学家发现，关在一天24小时灯火通明房间里的老鼠比关在按正常明-暗光线循环房间里的同类老鼠表现出更多的抑郁症状。

youdao

The light may interfere with their normal growth cycle.

VOA: special.2010.06.29

For example, it uses cameras to detect normal light, as well as spectrometers.

FORBES: ZenRobotics Develops a Garbage Sorting Robot

The display self-adjusts to become an ultra-high contrast e-book reader in bright sunlight, and a bright full-color backlit display in normal light.

ENGADGET: OpenPeak debuts OpenTablet 10 with transflective display

In Europe, normal light bulbs are on the way out.

FORBES: More Concerns About Cancer and Energy Saving Light Bulbs: Justified?