Perisystole
[医] 收缩前期
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
An old watch, by contrast,
然而一只老掉牙的手表，