Sinus rhythm
[医] 室性节律
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
Where are your manners?
你的规矩哪里去了？
Fooling around
闲荡
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。