sa074 听诊器
听诊器发明之前，医生都是把耳朵贴在病人的胸膛上听诊，既麻烦又听不清楚。www.livingwaterstudio.net Powered by Firstory Hosting
The skinny
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听诊器发明之前，医生都是把耳朵贴在病人的胸膛上听诊，既麻烦又听不清楚。www.livingwaterstudio.net Powered by Firstory Hosting
The skinny isn't ready yet — notes appear once the transcript is processed.