semipermeable

• 指材料或膜只允许某些分子或离子通过，而阻止其他物质通过的特性。

Describes a material or membrane that allows certain molecules or ions to pass through it while blocking others.

1. Selectively permeableC1formalscientific

   Describing a membrane that allows certain molecules or ions to pass through it by diffusion and occasionally specialized processes, while blocking others.

   半透性

   • Cell membranes are semipermeable, allowing water and small molecules to pass while blocking larger ones.
   • The semipermeable membrane in the dialysis machine filters waste from the blood.
   • Osmosis occurs across a semipermeable membrane from a region of low solute concentration to high solute concentration.