Those stars who are used to posing under mercury lamps also have an ordinary side of their lives.

习惯于在水银灯下摆造型、做秀的明星们，其实也都有平凡的一面。

youdao

Mercury in compact fluorescent lamps not exceeding 5 mg per lamp.

小型日光灯中的汞含量不得超过5毫克/灯；

youdao

The lamps for deck lighting are of high pressure mercury type.

甲板照明用的是高压水银灯。

youdao

Mercury arc lamps (the kind used in football stadiums) are not much better, since they emit a lot of ultraviolet light, which contributes to astronomers' woes without illuminating the action in a way that the human eye can detect.

ECONOMIST: Going, going, nearly gone

But too much mercury can be toxic, and mercury-based lamps can take an hour to disinfect a room.

FORBES: How A New Machine Uses U.V. Rays To Blast Killer Bacteria

This system can run for up to 25, 000 hours without replacement, roughly five times longer than mercury-based lamps.

ENGADGET: LG 'Hecto' laser TV projector to debut at CES 2013, promises a 100-inch screen from 22-inches away