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
What was your best subject in college?
大学时你哪门功课最好？
A wicked book is the wickeder because it cannot repent.
一本坏书危害无穷。
He made his way through the forest.
他设法穿过了森林。