n.(身体内的)膜,(植物的)细胞膜,(可起防水、防风等作用的)膜状物
membrane的复数

原形：membrane复数：membranes

The cell membrane is selectively permeable to ions and molecules.
细胞膜对离子和分子具有选择透过性。
The lipid bilayer of the cell membrane provides a barrier to outside substances.
细胞膜的脂质双层构成了一道对外来物质的屏障。
Membrane proteins play a crucial role in transporting nutrients across the cell membrane.
膜蛋白在细胞膜上运输营养物质中起关键作用。
The cell membrane is constantly being maintained and repaired by the cell itself.
细胞膜由细胞自身不断维护和修复。
Endocytosis involves the invagination of the cell membrane to engulf particles from the extracellular environment.
内吞作用指细胞膜凹陷以吞噬细胞外环境中的颗粒。
The cell membrane acts as a control system, regulating what enters and exits the cell.
细胞膜起到调控作用，控制物质进出细胞。
Membrane lipids can be modified by various enzymes to alter their function.
膜脂质可以通过多种酶进行修饰，改变其功能。
Ion channels in the cell membrane allow specific ions to pass through at certain voltage levels.
细胞膜上的离子通道允许特定离子在特定电压下通过。
The tight junctions between epithelial cells help to maintain the integrity of the cell membrane.
上皮细胞之间的紧密连接有助于保持细胞膜的完整性。
Membrane transporters facilitate the movement of molecules across the cell membrane without changing their chemical structure.
膜转运体促进分子在不改变其化学结构的情况下穿过细胞膜。