Echocardiograph
超声波音动描记器，超声心动描记器，超声心动图仪
🗣️ 情景例句
but this is too much!
但是这太令人难以置信了！
Sorry to have kept you waiting.
抱歉使你久等了。
the editor was getting impatient, for the magazine would soon go to press.
在此期间，编辑等得不耐烦了，因为杂志马上要付印。