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单词
protoderm
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro•to•derm
(prō
′
tə dûrm′),
USA pronunciation
n.
[
Bot.
]
Plant Biology
a thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis. Also called
dermatogen.
proto
- + -
derm
1930–35
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更新时间:2025/11/20 1:06:58