Use a swing-arm floor lamp instead, or mount a swing-arm wall lamp above the headboard.

用摇臂式的落地灯，或在床头板上安装一个摇臂式壁灯。

youdao

Pressing a button opens the die-cast aluminium lamp arm.

按下一个按钮打开压铸铝灯臂。

youdao

There was the lamp-post, with one arm missing;

灯柱还在，缺了一根横杆。

youdao

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