caseinate

例句：

1. 1.The ground caseinated as the rain fell.
   雨水落下时，地面开始变硬。
2. 2.The metal was caseinated to resist corrosion.
   金属被硬化以抵抗腐蚀。
3. 3.The soil caseinated with the addition of lime.
   加入石灰后，土壤开始变硬。