untreated

例句：

1. 1. The food was untreated before being served to the guests.
   食物在被端上桌之前未经处理。
2. 2.The soil is untreated, which makes it difficult for plants to grow.
   土壤未经处理，使得植物难以生长。
3. 3. The company's products are untreated, which means they have not been processed or refined.
   该公司的产品未经处理，意味着它们未经加工或精炼。