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单词
medullary ray
释义
WordReference Random House Unabridged Dictionary of American English © 2024
med
′
ullary ray
′
,
[
Bot.
]
Botany
(in the stems of woody plants) one of the vertical bands or plates of unspecialized tissue that radiate between the pith and the bark.
Also called
pith ray.
1820–30
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更新时间:2025/11/9 15:21:42