台灯英语怎么说

台灯的英文是 desk lamp。来源是英文 desk（桌子）和 lamp（灯）的组合。

例句：

I always keep a desk lamp on my study desk to provide some extra light when I'm working late at night.
The desk lamp has a flexible arm so you can adjust the direction of the light.
My desk lamp has a built-in USB charging port, so I can charge my phone while I'm working.