Electrocardioscope
心电示波器
🗣️ 情景例句
I'm always in a bad mood on Mondays.
我每个星期一情绪都很低落。
It takes two to make a quarrel.
要有两个人才吵得起来。
She tried to play jazz on it!
因为她用它来弹奏爵士乐。