2 sentences for 翻滚 (fān​gǔn — boil)

1. 锅里的水已经翻滚了。

   guō lǐ de shuǐ yǐ​jīng fān​gǔn le.

   The water in the pot is boiling.

   Source: Dong Chinese Dictionary

2. 海面上翻滚着巨大的波浪。

   hǎi​miàn shàng fān​gǔn zhe jù​dà de bō​làng.

   Huge waves were rolling across the sea.

   Source: Dong Chinese Dictionary