extraction stage

例句：

1. 1. The extraction stage is crucial for the success of the experiment.
   提取阶段对于实验的成功至关重要。
2. 2. During the extraction stage, the solvent is used to separate the desired compound from the other components in the sample.
   在提取阶段，溶剂被用来从样品中分离出所需的化合物。
3. 3. The extraction stage is where the active ingredients are extracted from the plant material.
   提取阶段是从植物材料中提取活性成分的地方。