Down syndrome
01
唐氏综合症, 21三体综合症
a genetic condition caused by the presence of an extra copy of chromosome 21, leading to intellectual disabilities, distinct facial features, and potential health issues
例子
Down syndrome is characterized by intellectual disabilities and unique facial features.
唐氏综合症的特点是智力障碍和独特的面部特征。
Down syndrome is the most common chromosomal disorder, occurring in approximately one in 800 live births.
唐氏综合症是最常见的染色体疾病，大约每800例活产中就有1例发生。
