Hrv
[医][=heart rate variability]心率变异性
🗣️ 情景例句
That naughty boy seems to tell his family too many lies.
这个顽皮的小男孩似乎对家人说了很多谎。
It won't work.
行不通。
I only have small boxes.Do you want one?
我只有小盒的。您要一盒吗？