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
Now would be a good time, I think, for some introductions.
我想，下面是作些介绍的时候了。
I remember the girl whose father owns a race horse.
我记得那个女孩的父亲有一匹赛马。
They picked lots of bananas, and took them back to the boat.
他们搞了很多香蕉，并带回船上。