grind crack

例句：

1. 1.The potatoes were ground to make mashed potatoes.
   土豆被磨碎成了土豆泥。
2. 2.The car was crushed by the heavy snow.
   汽车被大雪压垮了。
3. 3. The ice cream was crunchy on the outside and soft inside.
   冰淇淋外面脆里面软。