| 单词 | Down syndrome |
| 释义 | Down syndrome Down syndrome AHD: [doun] 或 Down's syndrome [dounz] D.J. [da&n] 或 Down's syndrome [da&nz]K.K. [da&n] 或 Down's syndrome [da&nz]n.（名词）A congenital disorder, caused by the presence of an extra 21st chromosome, in which the affected person has mild to moderate mental retardation, short stature, and a flattened facial profile.Also called trisomy 21 唐氏综合征，蒙古症：由于多出一个染色体引起的一种先天疾病，患者有轻至中度智障，身体矮小，脸扁平也作 trisomy 21语源:After John L.H. Down (1828-1896), British physician 源自约翰 L·H· 唐 (1828-1896年），英国医生 |
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