动 rub，wear，grind，mull；

[例句] 磨碎一汤匙鲜姜，放入平底锅。 Grate a tablespoonful of fresh ginger into a pan.

[例句] 然后那些咖啡豆被磨碎，包装好作为咖啡粉出售。 The beans are then ground and packaged for sale as ground coffee.