It is easy to change a light bulb, sure, but it is harder to change the bulb and its fixture.

换一个灯泡当然很容易，但是要更换灯泡和其固定装置就比较难了。

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The whole fixture must be replaced—light source and luminaire—and this is never an inexpensive proposition.

整个装置——光源和灯具——必须换掉，而这一提议绝不便宜。

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They installed a light fixture and trestle table and added wainscotting.

他们安装了灯具和支架台，添加了一些壁板材料。

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In the white foyer, an antique settee upholstered in natural linen and a simple domed light fixture were the only adornments.

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One rainy day, they sat under the wavering glow of a shorting light fixture while Obie feebly complained about how little Julian was paying him.

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The light fixture made a futzing sound, and Obie blinked.

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