这个词是什么意思？
A plant family of the order Asparagales. All members of the orchid family have the same bilaterally symmetrical flower structure, with three sepals, but the flowers vary greatly in color and shape.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D029595 · MeSH 2026。
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