I mentioned a little bit that this membrane is not just lipid bilayer but there's also proteins that are inserted into the membrane.

我之前说过,这层膜不仅仅是一层脂质双分子层,而是有很多蛋白质嵌插在膜上的

耶鲁公开课 - 生物医学工程探索课程节选

I've already mentioned many times that the lipid bilayer, the cell membrane, isn't just a lipid bilayer.

我已经讲过很多遍这个脂质双分子层了,细胞膜它不只是一个脂质双分子层

耶鲁公开课 - 生物医学工程探索课程节选

If a cell membrane was indeed just a lipid bilayer, then glucose could never enter the cell because it can't permeate through cell membranes.

如果细胞膜只是一个脂质双分子层的话,葡萄糖就不可能进入细胞,因为它不能渗透过细胞膜

耶鲁公开课 - 生物医学工程探索课程节选