橄榄油富含有益健康的脂类物质。

Olive oil contains healthy ___lipids that are good for your body.

细胞膜主要由脂质构成，形成一道保护屏障。

Cell membranes are mainly composed of ___lipids, which form a protective barrier.

研究人员正在研究这种特殊脂质在细胞膜中的作用。

Scientists are studying the role of this specific ___lipid in cell membranes.