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
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
I saw him at the supermaket.
我在超级市场看到他。
As if this were not enough to reduce you to tears, your husband arrives, unexpectedly bringing three guests to dinner.
好像这一切还不足以使你急得掉泪，你的丈夫接着回来了，事先没打招呼就带来3个客人吃饭。