grate frame support

例句：

1. 1. The chef grate the potatoes into a smooth puree.
   厨师把土豆磨成细腻的泥。
2. 2. The meat was grated finely for the sauce.
   肉被磨得非常细，用于酱汁。
3. 3. The cheese was grated to make it easier to eat.
   奶酪被磨成片状，以便更容易食用。