未过滤的

例句：

1. 1. The water was unfiltered before it was bottled.
   水在被瓶装之前是未经过滤的。
2. 2.She used an unfiltered coffee filter to make her coffee.
   她用一个未经过滤的咖啡滤纸来泡咖啡。
3. 3.The raw materials for the new product were unfiltered and natural.
   新产品的原材料未经过滤和加工。