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单词 polygonum
释义
po·lyg·o·num (pə-lĭgə-nəm)
n.
Any of numerous plants of the genus Polygonum and several closely related genera of the family Polygonaceae, characterized by stems with knotlike joints and sheathing stipules.

[New Latin Polygonum, genus name, from Greek polugonon, knotgrass : polu-, poly- + gonu, knee; see genu-1 in the Appendix of Indo-European roots.]
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更新时间:2025/2/23 7:20:17