Ibi
[医][=inter-beat intervals]心搏间期
🗣️ 情景例句
Does the hotel have a tour service?
这宾馆有旅游服务吗？
He is wise that knows when he's well enough.
知足的人是聪明的人。
There are some magazines on the television.
电视机上放着几本杂志。