动 grind，pestle，study ；

[例句] 将肉在粗研的黑胡椒粉里滚一下以调味。 Roll the meat in coarsely ground black pepper to season it.

[例句] 他自己动手用研钵和杵把冰糖研成粉。 He ground the rock candy with a mortar and pestle.