Diechoscope
两音听诊器
🏥 医学释义
双音听诊器
🗣️ 情景例句
I would like to lodge a complaint.
我有些怨言。
May I help you?
要我帮忙吗？
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。