Vectorcardiographic
心电向量描记法的
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
It's not gonna work.
行不通的啦！
I am not sure whether I can lend you any money. I may not have enough.
我也不清楚能否借钱给你。我自己可能都不够。