3 sentences

1. 他在大学里修读神学专业。

   tā zài dà​xué lǐ xiū​dú shén​xué zhuān​yè.

   He is majoring in theology at the university.

   Source: Dong Chinese Dictionary

2. 我在大学教神学。

   wǒ zài dà​xué jiāo shén​xué.

   I teach theology at the university.

   Source: OpenSubtitles

3. 圣保罗的书信对基督教神学产生了深远影响。

   Shèng​bǎo​luó de shū​xìn duì Jī​dū​jiào shén​xué chǎn​shēng le shēn​yuǎn yǐng​xiǎng.

   The epistles of Saint Paul have had a profound impact on Christian theology.

   Source: Dong Chinese Dictionary