calcilization

例句：

1. 1. The patient's heart was undergoing calcificationat the age of 60.
   患者60岁时心脏正在发生钙化。
2. 2. Thebone tissue is undergoing ossificationas it heals from an injury.
   骨骼组织在受伤后愈合过程中正在发生骨化。
3. 3. The process of calcification canbe slowed down by taking calcium supplements.
   通过补充钙质可以减缓钙化过程。