Electrocardioelectrode
心电电极
🗣️ 情景例句
He says he'll get up at six tomorrow morning, but he'll never make it.
他说他明天早上要6点起床，但他是绝对做不到的。
What would you like to eat?
你想吃什么？
I examined one of the pens closely.
我仔细察看了一枝钢笔，