短语词组短语obstetric stethoscope detail 产科听诊器deleehillis obstetric stethoscope 一种戴在检查者头上hillis obstetric stethoscope 释义德海二氏产科听诊器一种戴在检查者头上delee -hillis obstetric stethoscope 一种戴在检查者头上 返回 obstetric stethoscope