Apexcardiogram
顶点心电图, 顶点心动描记曲线(图)
🗣️ 情景例句
All right, let's get down to business.
好，我们来谈正事吧。
The chemist is testing enzymes.
化学家在试验着酶。
I agree that it is a difficult situation.
我同意，这种情况很难办。