There is a metal ball on bottom of each metal strip that makes up lamp base.

在底部有一个金属球，弥补了每个灯带金属基地。

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He snatched up the receiver and his free hand groped for the switch on the bedside lamp.

他一把抓起听筒，空着的手则摸索着找床头灯的开关。

《柯林斯英汉双解大词典》

The light is on.; The lamp is lit up.

灯着了。

《新英汉大辞典》

Nate held his lantern high as he came up to Olive and said: "Where is your lamp?

VOA: special.2010.01.09

So, if you use a black lamp or something and you excite something up to a higher energy level and then it relaxes back down to its lower energy state, it's going to emit a new wavelength of light, which is going to be visible to you.

如果你用一个紫外灯或别的,东西把某种分子激发到,更高的能级，然后它会掉回,到低能级，它就会释放,一个新的波长的光,这个光是可见的。

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Just watch one woman saying how difficult is for her to sustain when she does not have electricity at home and she has go travel long to fetch kerosene oil to light up her lamp at night.

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Fire officials said homeowners set up a heat lamp and blankets on their back patio.

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As he stepped outside for his first taste of freedom, he remembers walking up to a lamp post and touching it.

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