membrane molecular disease

例句：

1. 1. The membrane of the skin protects it from harmful bacteria.
   皮肤的膜层保护它免受有害细菌的伤害。
2. 2. The scientist used a microscope to observe the structure of the cell membrane.
   科学家使用显微镜观察细胞膜的结构。
3. 3. The researchers found that the membrane could be used as a barrier against viruses.
   研究人员发现，这种膜可以用作防止病毒入侵的屏障。