glysal

例句：

1. 1. Glycerin is a common ingredient in cosmetics and pharmaceuticals.
   甘油是化妆品和医药品中常见的成分。
2. 2.The process of converting vegetable oil into glycerin is known as refining.
   将植物油转化为甘油的过程被称为精炼。
3. 3.The glycerin in the product is used to keep the skin moisturized.
   产品中的甘油用于保持皮肤滋润。