prepacked method

例句：

1. 1. The foodwas prepacked to keep it fresh.
   食物是预先包装的，以保持新鲜。
2. 2. The prepacked meal arrived quickly andwas easy to prepare.
   预先包装的餐食很快就到了，而且很容易准备。
3. 3.The prepacked items were convenient fortravelers who need to pack light.
   预先包装的物品对于需要轻装旅行的人来说很方便。