Fallot's tetrad
[医] 法乐氏四联症, 四联畸形
🧩 词语组成解析
tetrad
['tetræd]
n. 四元组;四分染色体;<化>四价元素;（数目）4;
🗣️ 情景例句
Why is that necessary?
为什么有此必要
And they are very proud of their son's success in getting a scholarship to Harvard.
他们为儿子获得哈佛的奖学金页感到非常自豪。
Certainly!
当然可以。