1 sentence

1. 工人们把沙，石子和水泥混和成混凝土。

   gōng​rén men bǎ shā, shí​zǐ hé shuǐ​ní hùn​hé chéng hùn​níng​tǔ.

   The workmen mixed sand, gravel, and cement to make concrete.

   Source: UM-Corpus: News