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英汉例句

\ 胚根鞘的例句（胚根鞘在句子中的用法）

胚根鞘的例句（胚根鞘在句子中的用法）

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

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