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companion cell
释义
WordReference Random House Unabridged Dictionary of American English © 2024
compan
′
ion cell′,
[
Bot.
]
Botany
any of a number of specialized parenchymal cells adjacent to a sieve tube in the phloem of flowering plants, believed to regulate the flow of nutrients through the tube.
1885–90
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arsen-
arsenal
arsenate
arsenic
arsenic acid
arsenical
arsenic disulfide
arsenic trichloride
arsenic trioxide
arsenic trisulfide
arsenide
arsenious
arsenite
arseniuretted
arseniuretted hydrogen
arseno-
arseno
arseno group
arsenolite
arsenopyrite
arsenous
arsenous acid
ars est celare artem
arsey
ars gratia artis
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更新时间:2026/8/10 16:06:51