Phonostethograph
听诊录音机
🗣️ 情景例句
With the development of urban construction in recene years, more and more skyscrapers have been set up unceasingly.
随着近年来城市建设的发展，越来越多的摩天大楼不断建起。
I ought to take his advice.
我应该接受他的劝告。
She gazed at it for some time then added,
她凝视着它一会儿，补充道，