P-r interval
[医] P-R间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
How about today?
今天怎么样？
He that fears you present, will hate you absent.
当面怕你的人背后会恨你。
I say, let's go out for a drive next Sunday.
我说，咱们下星期天开车出去兜兜风吧。