| 单词 | Down's syndrome | 
| 释义 | Word Frequency Down's syndrome or  US Down syndrome noun  pathology a.  a condition caused by the presence of an extra copy of chromosome 21 resulting in learning difficulties and physical differences, such as shorter stature Former name (offensive): mongolism.  Technical name: trisomy 21 b.  (as modifier)  a Down's syndrome baby Word originC19: after John Langdon-Down (1828–96), English physician | 
| 随便看 | 
 | 
英语词典包含233703条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。