4 sentences

1. 他感到胃部一阵剧痛。

   tā gǎn​dào wèi​bù yī zhèn jù​tòng.

   He felt a sharp pain in his stomach.

   Source: Dong Chinese Dictionary

2. 过辣的食物会刺激胃部。

   guò là de shí​wù huì cì​jī wèi​bù.

   Food that is too spicy can irritate the stomach.

   Source: Dong Chinese Dictionary

3. 他死于胃部感染。

   tā sǐ yú wèi​bù gǎn​rǎn.

   He died of a stomach infection.

   Source: OpenSubtitles

4. 医生在他的处方里开了一味莪术，用来缓解胃部疼痛。

   yī​shēng zài tā de chǔ​fāng lǐ kāi le yī wèi é​zhú, yòng​lái huǎn​jiě wèi​bù téng​tòng.

   The doctor prescribed zedoary to relieve his stomach pain.

   Source: Dong Chinese Dictionary