2 sentences for 底座 (dǐ​zuò)

1. 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

2. 雕像被安放在一个大理石底座上。

   diāo​xiàng bèi ān​fàng zài yī gè dà​lǐ​shí dǐ​zuò shàng.

   The statue was placed on a marble pedestal.

   Source: Dong Chinese Dictionary