3 sentences

1. 我把台灯放在床头柜上。

   wǒ bǎ tái​dēng fàng zài chuáng​tóu​guì shàng.

   I put the lamp on the nightstand.

   Source: Dong Chinese Dictionary

2. 他在台灯下认真地写作业。

   tā zài tái​dēng xià rèn​zhēn de xiě zuò​yè.

   He is doing his homework diligently under the desk lamp.

   Source: Dong Chinese Dictionary

3. 这个台灯的底座非常坚固。

   zhè gè tái​dēng de dǐ​zuò fēi​cháng jiān​gù.

   The base of this desk lamp is very sturdy.

   Source: Dong Chinese Dictionary