Hrv
[医][=heart rate variability]心率变异性
🗣️ 情景例句
I need a haircur, what would you recommend?
我要剪个发，你有什么好建议？
Telling your troubles is swelling your troubles.
诉说烦恼等于增加烦恼。
To her horror he said that she was two hours too soon.
搬运工说她早到了两个小时，她听后大吃一惊。