详细解释:【医】 细胞壁
英语解释：
名词 cell wall:
a rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells; maintains the shape of the cell and serves as a protective barrier例句：
The prisoner rapped out a message on the cell wall.那囚犯敲打囚室的墙来传达讯息。