1 sentence

1. 肥皂在水中揉搓后会产生很多泡沫。

   féi​zào zài shuǐ zhōng róu​cuo hòu huì chǎn​shēng hěn​duō pào​mò.

   Soap produces a lot of foam when rubbed in water.

   Source: Dong Chinese Dictionary