| 释义 |
rootcap rootcap (ˈruːtˌkæp) n (Botany) a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soilroot•cap (ˈrutˌkæp, ˈrʊt-)
n. the loose mass of cells that covers and protects the tip of most roots. [1875–80]
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