这个词是什么意思？
A plant family of the order Sapindales, subclass Rosidae, class Magnoliopsida. Leaves are opposite and usually toothed or lobed. The fruit, a samara (a winged nutlet), splits into two (rarely three) winged, one-seeded parts. This family is widely distributed in the Northern Hemisphere.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D031001 · MeSH 2026。
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