2 sentences

1. 我吃得太多了，肚子感觉很胀。

   wǒ chī de tài duō le, dù​zi gǎn​jué hěn zhàng.

   I ate too much, and my stomach feels very bloated.

   Source: Dong Chinese Dictionary

2. 热胀冷缩是许多物质的基本物理性质。

   rè zhàng lěng suō shì xǔ​duō wù​zhì de jī​běn wù​lǐ xìng​zhì.

   Thermal expansion and contraction is a basic physical property of many substances.

   Source: Dong Chinese Dictionary