唐氏綜合症
A kind of genetic disorder which is caused by an extra chromosome number 21 in each cell (Book 3, p.217)
由於細胞內第 21 對染色體多了一條而引致的遺傳疾病。
Pronunciation in English (listen with default application).
 |
|
|||||
 |
 |
|||||
|
||||||
 |
||||||
|
|
|
|
|
Down syndrome
唐氏綜合症 由於細胞內第 21 對染色體多了一條而引致的遺傳疾病。
|
|
 |
||
|
