coleorhiza例句

Both root and root cap are covered by a sheath - like structure called the coleorhiza.
根和根冠被一鞘 状 结构,即胚根鞘所覆盖.

Coleorhiza ( pl . coleorhizae ) The protective sheath surrounding the radicle in grasses.
胚根鞘:保护幼根的鞘状结构.

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