membrane|membranes

这种特殊薄膜可以防止液体渗透到设备内部。

The special ___membrane prevents liquid from seeping into the equipment.

细胞膜控制着物质进出细胞。

Cell ___membranes regulate the passage of substances in and out of cells.

这种新型过滤膜能有效分离气体混合物。

The new filter ___membrane can effectively separate gas mixtures.