3 sentences for 支撑 (zhī​chēng — prop up)

1. 大厅由四根巨大的石柱支撑。

   dà​tīng yóu sì gēn jù​dà de shí zhù zhī​chēng.

   The hall is supported by four massive stone pillars.

   Source: Dong Chinese Dictionary

2. 大桥底下的那几根柱子支撑着沉重的桥面。

   dà​qiáo dǐ​xia de nà jǐ gēn zhù​zi zhī​chēng zhe chén​zhòng de qiáo​miàn.

   The pillars under the bridge support the heavy bridge deck.

   Source: Dong Chinese Dictionary

3. 工人们用几根粗木桩支撑着这面摇摇欲坠的墙。

   gōng​rén men yòng jǐ gēn cū mù​zhuāng zhī​chēng zhe zhè miàn yáo​yáo​yù​zhuì de qiáng.

   The workers are propping up the crumbling wall with several thick wooden stakes.

   Source: Dong Chinese Dictionary