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
Yeah. I really did do a good job, didn't I?
是的 ，我确实拍得不错， 对不对？
Have you taken a plane?
你坐过飞机吗？
The meeting was scheduled for two hours, but it is not over yet.
会议原定了两个小时，不过现在还没有结束。