membrane channel

例句：

1. 1. The researchers discovereda new type of membrane channel that could be used to detect diseases in the body.
   研究人员发现了一种新类型的膜通道，可以用来检测体内的疾病。
2. 2. The scientist explained how the membrane channel works by allowing molecules to pass through it.
   科学家解释了膜通道是如何工作的，通过允许分子通过它。
3. 3.The membrane channel is essential for the proper functioning of the cell membrane.
   膜通道对于细胞膜的正常功能至关重要。