chemocline

例句：

1. 1. The chemical composition of the soil is crucial for plant growth.
   土壤的化学成分对植物生长至关重要。
2. 2. The chemocline process helps to remove impurities from the water.
   化学沉降过程有助于从水中去除杂质。
3. 3. The chemocline method was used to study the effects of pollution on the environment.
   使用化学沉降方法研究了污染对环境的影响。