这个词是什么意思？
PASSERIFORMES of the suborder, Oscines, in which the flexor tendons of the toes are separate, and the lower syrinx has 4 to 9 pairs of tensor muscles inserted at both ends of the tracheal half rings. They include many commonly recognized birds such as CROWS; FINCHES; robins; SPARROWS; and SWALLOWS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020308 · MeSH 2026。
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