Ibi
[医][=inter-beat intervals]心搏间期
🗣️ 情景例句
Right.
好的。
Whom do you want to talk to?
你要和谁讲话？
It was a Sunday in May. My brother and I had decided to go off for a long walk while we were staying with my grandparents in the French countryside.
5月的一个星期天，我和弟弟决定去远足。当时我们住在法国乡下的祖父母家中。