guaiacyl

例句：

1. 1.The molecule contains a guaiacyl group at the end of its carbon chain.
   这个分子在其碳链的末端含有一个癸酰基。
2. 2.Guaiacyl is a type of fatty acid found in plants and animals.
   癸酰基是一种存在于植物和动物中的脂肪酸类型。
3. 3.Guaiacyl is used in cosmetics to give them a shine and smooth texture.
   癸酰基用于化妆品中，赋予它们光泽和顺滑的质地。