Ibi
[医][=inter-beat intervals]心搏间期
🗣️ 情景例句
One of my patients has a high fever,
我的一位病人发高烧，
I'm pleased to hear about your wife having a baby.
我很荣幸得知你太太生了一个小宝宝。
Opportunity knocks but once.
机不可失，时不再来。