The room was lit by only the one light.

这个房间只有这一盏灯照明。

《柯林斯英汉双解大词典》

Change electric wares into energy efficient ones and leave no more than one light open when you leave home.

把家用电器换成节能型的，出门时最多留一盏灯开着。

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The one light reflects out of the darkness in one hundred pairs of eyes, all of them focused on me, waiting.

唯一的灯光映射出上百双眼睛的黑暗，所有黑暗都聚焦在我身上，等待着。

youdao

These thick paints can be spread in layers, one over another, to produce interesting effects of light and color.

VOA: special.2010.07.25

No one, until this time, had suggested that a system would be subjected to quantization except for light.

在他之前，还没有人提出过,除光系统外的量子化系统。

麻省理工公开课 - 固态化学导论课程节选

So here is a list of size 2, this is the light one, this is the heavier one.

这是有2个元素的一个序列，这杯轻一些，这杯重一些。

哈佛公开课 - 计算机科学课程节选

One light bulb will be hot (1st switch) and one will be warm (2nd switch).

FORBES: 10 Brainteasers to Stretch Your Brain

They complain that even the small hydroelectric plant being built nearby will light only one light bulb per household here.

NPR: Teams Focus on Poppy Eradication in Afghanistan

The board have ruled that Oakey's first defence must be against Brian Magee, the number one light heavyweight contender from Belfast, before the end of October.

BBC: Dominant Oakey crushes Spartacus