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phloem

更新日期:2026-08-14

词语 phloem
释义

phloem
英音 [ ˈfləʊem ]
美音 [ ˈfloʊem ]
释义
n. (植)韧皮部;筛部
例句
1·This had similar mercury levels to the phloem .
树皮的汞含量与韧皮部相近。
2·The expressional sites in young stalk are in phloem .
幼茎表达分布在韧皮部;
3·The secondary phloem consisted of sieve cells and phloem parenchymas.
根的次生韧皮部则由筛胞和韧皮薄壁细胞组成。

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