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
He was very kind.
对人和蔼。
You can count on us.
你可以信赖我们。
He had no sooner returned than he bought a house and went to live there.
他刚一回到英国便买下了一幢房子住了进去。