lipidal

例句：

1. 1. Lipids are essential for the proper functioning of cells.
   脂类对于细胞的正常功能至关重要。
2. 2. The study of lipids is crucial in understanding the structure and behavior of biological membranes.
   研究脂类对于理解生物膜的结构与行为至关重要。
3. 3.Lipids are found in many foods, including meat, fish, and dairy products.
   脂类存在于许多食物中，包括肉类、鱼类和乳制品。