单词：mongolism
音标：[mɒŋ'gәulizm] ；
n. 先天愚型
[医] 先天愚型, 伸舌样白痴
[医] 先天愚型, 伸舌样白痴
n. a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
词型变化：名词复数形式 : mongolisms