过度酸性 meaning in Chinese

superacidity

But plla is hydrophobic and not very good for cells seeding . the other disadvantage is that the degradation products reduce the local ph value , which , in turn , may accelerate the plla degradation rates and induce an inflammatory reaction and poor mechanical properties
但是聚乳酸不具备良好的细胞亲和性能，并且聚乳酸在体内降解速率过快，从而导致力学性能变差， ph值降低，过度酸性环境引发无菌性炎症。