Hrv
[医][=heart rate variability]心率变异性
🗣️ 情景例句
What's the weather like in Japan this time of year?
现在日本的天气怎么样？
I did three loads of wash today.
我今天洗了三次衣服。
Yes, it is. You need to wear warmer clothes.
是啊，你应该穿得更暖和些。