cultures例句
        Such 
cultures could give rise to vascular tissues, roots and shoot buds.
这样的培养可能产生维管组织, 根和苗端芽.
Many of the cells in such 
cultures have somewhat sculptured walls.
在这样的培养中很多细胞具有多少呈花纹状的细胞壁.
Many natural fibers decay rapidly when exposed to aerobic 
cultures.
许多天然纤维在需氧菌的侵袭下则迅速腐坏.