单词 | xylem |
释义 | xylem ['zaɪ.ləm] noun uncountable specialized ■the type of plant tissue that carries water and minerals from the roots to the leaves and gives support to the stem or trunk 木质部(植物组织,其功能是将根部吸收的水分及矿物质向上运输到树叶,并起到支撑茎或树干的作用) Compare phloem |
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