4 sentences

1. 测量一下这块钢板的厚度。

   cè​liáng yī​xià zhè kuài gāng​bǎn de hòu​dù.

   Measure the thickness of this steel plate.

   Source: Dong Chinese Dictionary

2. 这张纸的厚度只有几毫米。

   zhè zhāng zhǐ de hòu​dù zhǐ yǒu jǐ háo mǐ.

   This paper is only a few millimeters thick.

   Source: Dong Chinese Dictionary

3. 这种新材料的厚度仅为几纳米。

   zhè zhǒng xīn cái​liào de hòu​dù jǐn wéi jǐ nà​mǐ.

   The thickness of this new material is only a few nanometers.

   Source: Dong Chinese Dictionary

4. 救援队正用长杆小心地试探冰面的厚度。

   jiù​yuán​duì zhèng yòng cháng gǎn xiǎo​xīn de shì​tàn bīng​miàn de hòu​dù.

   The rescue team is using long poles to carefully test the thickness of the ice.

   Source: Dong Chinese Dictionary