a drawing of a stethoscope with parts labeled. From "The Brain in Space" produced by NASA and stated as PD.
聽筒
Advanced Practice Nursing、chirurgie naila、equipment、health、instrument、medical、medicine、Money、nasa、Set 1A、stethoscope、Web/Android UI
高級實踐護理、chirurgie naila、設備、健康、儀器、醫、醫學、錢、上、設置1A、聽筒、Web / Android UI
資料來源：openclipart ( https://openclipart.org/ )