2 sentences

1. 工人们正在往地基里浇筑混凝土。

   gōng​rén men zhèng​zài wǎng dì​jī lǐ jiāo​zhù hùn​níng​tǔ.

   The workers are pouring concrete into the foundation.

   Source: Dong Chinese Dictionary

2. 混凝土浇筑完毕后应及时进行养护。

   hùn​níng​tǔ jiāo​zhù wán​bì hòu yīng jí​shí jìn​xíng yǎng​hù.

   After the concrete is poured, it should be cured in a timely manner.

   Source: Dong Chinese Dictionary