Root-cap根冠
root-cap starch根冠淀粉
sloughed root cap cells称为根冠脱落细胞;根冠细胞
root cap attachment根帽附着体
Root cap starch hydrolysis根冠淀粉水解
root cap initial cell根冠原始细胞
root cap zone根冠区
root cap slime根冠粘液
root cap rate根冠比
N（名词） a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soil 根冠