柯林斯詞典cell wall 1. N the outer layer of a cell, esp the structure in plant cells that consists of cellulose, lignin, etc, and gives mechanical support to the cell 細(xì)胞壁 返回 cell wall劍橋詞典the hard outer covering , consisting mainly of cellulose , that surrounds a plant cell 細(xì)胞壁 返回 cell wall