secondary adsorption

例句：

1. 1.The process of secondary adsorption is crucial for the removal of pollutants from water.
   次级吸附过程对于从水中去除污染物至关重要。
2. 2. In secondary adsorption, the molecules are attracted to each other and bind together.
   在次级吸附中，分子相互吸引并结合。
3. 3. The efficiency of secondary adsorption depends on the strength of the adsorbent.
   次级吸附的效率取决于吸附剂的强度。