The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.
内渗透一种液体透过可渗透膜流向另一种浓度比它高的液体的内部流动
A tightly stretched sheet or membrane, as on the head of a drum.
绷紧的薄膜状物挤压得很紧的平板或薄膜, 如鼓面
A thin skin or film, such as an organic membrane or a liquid film.
薄皮, 薄膜如生物膜或液体膜等细薄的皮或膜
