nital

例句：

1. 1.Nitrate is a common chemical compound found in soil and water.
   硝酸盐是一种常见的化学化合物，存在于土壤和水中。
2. 2.The nitrate levels in the soil are high, which can affect plant growth.
   土壤中的硝酸盐含量很高，这会影响植物生长。
3. 3. Nitrate fertilizers are commonly used to enrich soil and promote plant growth.
   硝酸肥通常被用来丰富土壤并促进植物生长。