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
and use their talents.
贡献他们的才能。
He works best who knows his trade.
内行的人做他的事一定会做得最好。
They sting or bite without provocation; they fly uninvited into our rooms on summer nights, or beat ageist our lighted windows.
它们无缘无故地又叮又咬；夏天的晚上，它们未经邀请便飞到我们房间里，或者对着露出亮光的窗户乱扑乱撞。