impure auricular flutter

例句：

1. 1.The water in the bottle is impure.
   瓶子里的水不纯。
2. 2. The soil is impure, which affects the growth of crops.
   土壤不纯，这影响了农作物的生长。
3. 3.The meat was impure, and it made me sick.
   肉不纯，我因此生病了。