2 sentences

1. 这碗汤滚烫，喝的时候要小心。

   zhè wǎn tāng gǔn​tàng, hē de shí​hou yào xiǎo​xīn.

   This bowl of soup is scalding hot; be careful when you drink it.

   Source: Dong Chinese Dictionary

2. 火山喷发时，滚烫的熔岩流下了山坡。

   huǒ​shān pēn​fā shí, gǔn​tàng de róng​yán liú​xià le shān​pō.

   Hot lava flowed down the mountainside when the volcano erupted.

   Source: Dong Chinese Dictionary