P-r interval
[医] P-R间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
She really deserved the honor.
她得到这份荣誉是名副其实的。
I ate beef noodles for lunch yesterday.
我昨天午饭吃的是牛肉面。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。