这个词是什么意思？
The ability to speak, read, or write several languages or many languages with some facility. Bilingualism is the most common form. (From Random House Unabridged Dictionary, 2d ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D019303 · MeSH 2026。
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