gel skeleton

例句：

1. 1. The gel skeleton holds the liquid together.
   凝胶骨架将液体结合在一起。
2. 2.The gel skeleton is essential for the function of the tissue.
   凝胶骨架对组织的功能性至关重要。
3. 3. During the process of cross-linking, the gel skeleton becomes more rigid.
   在交联过程中，凝胶骨架变得更加坚硬。