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单词 xylem
释义

xylem

noun
/ˈzaɪləm/
/ˈzaɪləm/
[uncountable] (biology)
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  1. the material in plants that carries water and minerals upwards from the root compare phloem
    Word Originlate 19th cent.: from Greek xulon ‘wood’ + the passive suffix -ēma.
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