英语词汇“protophloem”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protophloem
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pro•to•phlo•em (prō′tə flō′em),USA pronunciation n. [Bot.] Botanythe part of the primary phloem that develops first, consisting of narrow, thin-walled cells. proto- + phloem 1880–85
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