随着胶原网打破了，这是更换和修理的新的胶原纤维细胞分泌的。

As collagen in the meshwork breaks down, it is replaced and repaired by new collagen secreted by fibroblasts.

youdao

随着胶原网打破了，这是更换和修理的新的胶原纤维细胞分泌的。

As collagen in the meshwork breaks down, it is replaced and repaired by new collagen secreted by fibroblasts.

youdao