英语词汇“companion cell”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	companion cell
释义	WordReference Random House Unabridged Dictionary of American English © 2024 compan′ion cell′, [Bot.] Botanyany 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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