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

灯着了。

《新英汉大辞典》

youdao

The room was softly lit by a lamp.

屋里点着一盏灯，光线很柔和。

《牛津词典》

But abruptly, fiendishly, the tender pattern of nudity I had adored would be transformed into the disgusting lamp-lit bare arm of a man in his underclothes reading his paper by the open window in the hot, damp, hopeless summer night.

然而突然，糟糕得很，我崇拜的那副美好的裸体,投入了台灯下一双男人赤膊的肩膀，他穿着内衣裤,读着报纸，靠在敞开的窗边，沉浸在,炎热，潮湿，绝望的夏夜里。

耶鲁公开课 - 1945年后的美国小说课程节选

He uses far more words explaining the reasons for the 50mm mantles that lit the lamp than he does over the hardships endured by the workers.

ECONOMIST: The Fastnet Lighthouse: Light on a lonely rock | The

The King lit only a lamp at the bedside in the windowless room.

NEWYORKER: The King of Sentences

Climbing inside, Marcel and his three friends lit their oil lamp, raised it to the roof and found themselves surrounded by one of the artistic wonders of the world.

BBC: The perfect trip: Dordogne