n. a thin pliable sheet of material
n. a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
n. 薄膜, 膜, 羊皮纸
[化] 膜; 隔膜
1. The cell membrane controls what enters and leaves the cell.
细胞膜控制着什么物质进出细胞。
2. The thin membrane separates the two layers of skin.
薄膜将两层皮肤分开。
3. Some membranes can be permeable to water but not to salt.
有些膜可以让水通过，但不能让盐通过。