Hrv
[医][=heart rate variability]心率变异性
🗣️ 情景例句
He's upset over the fact that he wasn't promoted this year.
他对今年没有升迁感到恼怒。
When you go to buy, use your eyes not your ears.
你去购买东西时，要用眼睛莫用耳。
Yes, of course. It's very easy.
那当然。煮它（豆腐）并不难。