4 sentences

1. 这种新材料有很多用途。

   zhè zhǒng xīn cái​liào yǒu hěn​duō yòng​tú.

   This new material has many uses.

   Source: Dong Chinese Dictionary

2. 最初的生物只是用于侦察和战术用途。

   zuì​chū de shēng​wù zhǐ​shì yòng​yú zhēn​chá hé zhàn​shù yòng​tú.

   The initial creatures were just for reconnaissance and tactical use.

   Source: OpenSubtitles

3. 在一些地区，医疗用途的大麻是合法的。

   zài yī​xiē dì​qū, yī​liáo yòng​tú de dà​má shì hé​fǎ de.

   In some regions, medical marijuana is legal.

   Source: Dong Chinese Dictionary

4. 氪在医疗成像和高能物理中有特殊用途。

   kè zài yī​liáo chéng​xiàng hé gāo​néng wù​lǐ zhōng yǒu tè​shū yòng​tú.

   Krypton has special uses in medical imaging and high-energy physics.

   Source: Dong Chinese Dictionary