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单词 xylem
释义
N5455927xylemSpoken.0Fiction.2Magazine.13Newspaper.1Academic.11

xylem

/ˈzaɪlem/
noun
mass noun
Botany the vascular tissue in plants which conducts water and dissolved nutrients upwards from the root and also helps to form the woody element in the stem
【植】木质部。比较PHLOEM.
词源
late 19th cent.: from Greek xulon 'wood' + the passive suffix -ēma.
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更新时间:2025/3/15 16:58:43