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
Many people take tables or capsules to try and stay healthy.
许多人靠服药或胶囊保持健康。
I'm afraid I have bad news for you.
恐怕我有坏消息要告诉您。
It is also useful for sending pictures, designs, maps and so on.
传真机也可以用来发送图片、地图等。