2 sentences for 滾動 (gǔn​dòng — to roll)

1. 我听到了车轮滚动的声音。

   wǒ tīng dào le chē​lún gǔn​dòng de shēng​yīn.

   I heard the sound of wheels rolling.

   Source: OpenSubtitles

2. 这是一个由四个木箱组成的滚动咖啡桌。

   zhè shì yī​ge yóu sì ge mù xiāng zǔ​chéng de gǔn​dòng kā​fēi zhuō.

   This is a rolling coffee table made up of four wooden crates.

   Source: CCMatrix