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protophloem
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro•to•phlo•em
(prō′tə flō
′
em),
USA pronunciation
n.
[
Bot.
]
Botany
the part of the primary phloem that develops first, consisting of narrow, thin-walled cells.
proto
- +
phloem
1880–85
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更新时间:2025/7/31 23:55:17