4 sentences

1. 这个物体的体积很大。

   zhè​ge wù​tǐ de tǐ​jī hěn dà.

   The volume of this object is very large.

   Source: Dong Chinese Dictionary

2. 气体受热后体积会膨胀。

   qì​tǐ shòu​rè hòu tǐ​jī huì péng​zhàng.

   Gas expands when heated.

   Source: Dong Chinese Dictionary

3. 这种材料受热后体积会明显增大。

   zhè zhǒng cái​liào shòu​rè hòu tǐ​jī huì míng​xiǎn zēng​dà.

   The volume of this material will significantly increase when heated.

   Source: Dong Chinese Dictionary

4. 这种新产品的优点是体积小、重量轻。

   zhè zhǒng xīn chǎn​pǐn de yōu​diǎn shì tǐ​jī xiǎo, zhòng​liàng qīng.

   The advantages of this new product are its small size and light weight.

   Source: Dong Chinese Dictionary