absorbed cation

例句：

1. 1. The soil is absorbing the rainwater and enriching its nutrients.
   土壤正在吸收雨水，并为其提供养分。
2. 2.The plant is absorbing the sunlight and converting it into energy.
   植物正在吸收阳光并将其转化为能量。
3. 3. The bacteria are absorbing the oxygen from the air and producing waste gases.
   细菌正在从空气中吸收氧气并产生废气。