2 sentences

1. 工人小心地把铁水浇进模具里。

   gōng​rén xiǎo​xīn de bǎ tiě​shuǐ jiāo jìn mú​jù lǐ.

   The worker carefully poured molten iron into the mold.

   Source: Dong Chinese Dictionary

2. 铁矿石在高温下会被熔为铁水。

   tiě kuàng​shí zài gāo​wēn xià huì bèi róng wéi tiě​shuǐ.

   Iron ore melts into molten iron at high temperatures.

   Source: Dong Chinese Dictionary