boric acid glycerin

例句：

1. 1.Boric acid glycerin is a common ingredient in toothpaste.
   硼酸甘油是牙膏中常见的成分。
2. 2. This product uses boric acid glycerin to prevent corrosion.
   该产品使用硼酸甘油来防止腐蚀。
3. 3. The mixture of boric acid glycerin and water creates a gel that can be used as a lubricant.
   硼酸甘油和水混合制成的凝胶可以用作润滑剂。