phosphinimine

例句：

1. 1. This compound is used in fertilizers to increase soil phosphorus levels.
   这种化合物用于肥料中以增加土壤的磷水平。
2. 2. The plant's ability to absorb phosphorus from the soil depends on its root system.
   植物从土壤中吸收磷的能力取决于其根系系统。
3. 3.Phosphonic acid is a weak acid that can be used as a buffer in chemical reactions.
   膦酸是一种弱酸，可以在化学反应中使用作为缓冲剂。