LEARNit Dictionary
Down syndrome
noun
/ˈdaʊn sɪndrəʊm/
UK
/ˈdaʊn sɪndrəʊm/
US
1
a medical condition that some people are born with, caused by a fault with one chromosome, which results in learning disabilities
سندروم داون, سندرم داون, اختلال ژنتیکی داون