Ibi
[医][=inter-beat intervals]心搏间期
🗣️ 情景例句
Thank you for your understanding and cooperation in this matter.
谢谢你们对此事的理解和合作。
Let's call it a day
进行某事
Before he retired, Frank was the head of a very large business company, but as a boy he used to work in a small shop.
在退休前，弗兰克是一家非常大的商业公司的经理，但他小时候却在一家小铺里做工。