4 sentences

1. 你喉咙里有一根管子。

   nǐ hóu​lóng li yǒu yī gēn guǎn​zi.

   You have a tube in your throat.

   Source: OpenSubtitles

2. 管子里面是什么？

   guǎn​zi lǐ​miàn shì shén​me?

   What's in the pipe?

   Source: OpenSubtitles

3. 这些管子会因为感冒和过敏而堵塞。

   zhè​xiē guǎn​zi huì yīn​wèi gǎn​mào hé guò​mǐn ér dǔ​sè.

   These tubes can become clogged due to colds and allergies.

   Source: CCMatrix

4. 他将管子里的最后一点牙膏挤了出来。

   tā jiāng guǎn​zi li de zuì​hòu yī​diǎn yá​gāo jǐ le chū​lai.

   He squeezed out the last bit of toothpaste from the tube.

   Source: UM-Corpus: Spoken