Precordial leads
[医] 胸[前]导程, 心前导程
🧩 词语组成解析
a. 心前区的\\n[医] 心口的, 心窝的, 心前区的
n. 领导者；引线；管道（lead的复数）
🗣️ 情景例句
He treated his employees with exceptional cruelty.
他对雇员非常残酷。
How lucky we are!
我们多么幸运啊！
Oh, very well. Then there is nothing to worry about. I apologize. (Hands him the note.)
哦，那太好了，没什么可犯愁的了。我向你道歉。（把钞票递给他）