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
whom I think you've met once or twice before.
我想你以前见过他一两次面。
One father is more than a hundred schoolmasters.
一个父亲胜于一百个教师。
Oh, that's my sister, Kate. Come here, Kate. I can see you.
哦，是我妹妹。凯特。过来凯特，我看见你了。