硝酸盐

例句：

1. 1. The soil is rich innitrogen, which is essential for plant growth.
   土壤富含氮，对植物生长至关重要。
2. 2.The chemical industry uses nitratesas a raw material for fertilizers.
   化学工业使用硝酸作为肥料的原料。
3. 3. Nitrates are often found inwater bodies and can be harmful if nottreated properly.
   硝酸盐通常存在于水体中，如果不妥善处理可能会造成伤害。