1. 動詞
   及物動詞:
   把...(物)研成粉末
   /此動詞過去式與過去分詞為"comminuted"/
   /現在分詞為"comminuting"/
   /第三者單數現在式為"comminutes"/
   

   同義字詞
   atomize,beat,crush,disintegrate,grind,mill,pound,powder,pulverize
   

例句

1. Vein gold needed crushing, and they probably used crushing or stamp mills worked by water-wheels to comminute the hard ore before washing.
2. Mining of banded iron formations involves coarse crushing and screening, followed by rough crushing and fine grinding to comminute the ore to the point where the crystallized magnetite and quartz are fine enough that the quartz is left behind when the resultant powder is passed under a magnetic separator.