Read Edit View history 先天愚型 xiāntiānyúxíng Down syndrome Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 先天愚型 · xiāntiānyúxíng · Down syndrome 2026/03/04 先天愚型 xiāntiānyúxíng Down syndrome (old) Down syndrome; trisomy 21 先天愚型现在通常被称为唐氏综合征。 created sense Mar 4, 2026, 02:25 AM