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单词
sieve tube
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sieve
′
tube′,
[
Bot.
]
Botany
a vertical series of sieve cells in the phloem, specialized for the conduction of food materials.
Botany
a single sieve cell.
1870–75
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更新时间:2025/7/2 3:30:53