| 单词 | companion cell |
| 释义 | companion cell companion cell n.（名词）A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.伴细胞：一种特殊的软组织细胞，位于开花植物的韧皮部，生长和功能与筛管要素密切联系 |
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