3 sentences

1. 你拯救我们免于灭亡。

   nǐ zhěng​jiù wǒ​men miǎn​yú miè​wáng.

   You saved us from extinction.

   Source: OpenSubtitles

2. 那个古老的文明在几千年前就灭亡了。

   nà gè gǔ​lǎo de wén​míng zài jǐ​qiān nián qián jiù miè​wáng le.

   That ancient civilization perished thousands of years ago.

   Source: Dong Chinese Dictionary

3. 侵略者企图灭亡我们的国家。

   qīn​lüè zhě qǐ​tú miè​wáng wǒ​men de guó​jiā.

   The invaders attempted to destroy our nation.

   Source: Dong Chinese Dictionary