3 sentences

1. 他把药片研磨成了末儿。

   tā bǎ yào​piàn yán​mó chéng le mò​r.

   He ground the tablet into powder.

   Source: Dong Chinese Dictionary

2. 这种固体被研磨成了细小的粉末。

   zhè zhǒng gù​tǐ bèi yán​mó chéng le xì​xiǎo de fěn​mò.

   This solid has been ground into a fine powder.

   Source: Dong Chinese Dictionary

3. 这种工业用的骨灰需要经过高温煅烧并研磨成极细的粉末。

   zhè zhǒng gōng​yè​yòng de gǔ​huī xū​yào jīng​guò gāo​wēn duàn​shāo bìng yán​mó chéng jí xì de fěn​mò.

   This industrial-grade bone ash needs to undergo high-temperature calcination and be ground into an extremely fine powder.

   Source: Dong Chinese Dictionary